Lake Lillian, Minnesota

A Friendly Town




(A) No person shall discharge or caused to be discharged any water such as stormwater,

ground water, roof runoff, surface drainage or non-contact cooling water to any sanitary sewer.

(B) Stormwater and all other unpolluted drainage shall be discharged to those sewers as are

specifically designed as storm sewers or to a natural outlet approved by the city and other

regulatory agencies. Industrial cooling water or unpolluted process waters may be discharged to a

storm sewer or natural outlet on approval of the city and upon approval and the issuance of a

discharge permit by the MPCA. Penalty, see § 51.999


No person shall discharge or cause to be discharged any of the following described waters or

wastes to any public sewers:

(A) Any liquids, solids or gases which by reason of their nature or quantity are, or may be,

sufficient either alone or by interaction with other substances to cause fire or explosion or be

injurious in any other way to the wastewater disposal system or to the operation of the system.

Prohibited materials include but are not limited to gasoline, kerosene, naphtha, benzene, toluene,

xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates,

carbides, hydrides and sulfides.

(B) Solid or viscous substances which will cause obstruction to the flow in a sewer or other

interference with the operation of the wastewater treatment facilities such as but not limited to

grease, garbage with particles greater than ½-inch in any dimension, animal guts or tissues, paunch

manure, bones, hair, hides or fleshings, entrails, whole blood, feathers, ashes, cinders, sand, spent

lime, stone or marble dust, metal, glass, straw, shavings, grass clippings, rags, spent


Lake Lillian Ordinance Code - Public Works


grains, spent hops, waste paper, wood, plastic, asphalt residues, residues from refining or

processing of fuel or lubricating oil, mud or glass grinding or polishing wastes.

(C) Any wastewater having a pH of less than 5.0 or greater than 9.5 or having any other

corrosive property capable of causing damage or hazard to structures, equipment and personnel of

the wastewater disposal system.

(D) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by

interaction with other pollutants, to inhibit or disrupt any wastewater treatment process, constitute

a hazard to humans or animals, or create a toxic effect in the receiving waters of the wastewater

disposal system. A toxic pollutant shall include but not be limited to any pollutant identified

pursuant to Section 307(a) of the Act (33 USC 13 17(a)). Penalty, see § 51.999


(A) The following described substances, materials, water or wastes shall be limited in

discharges to municipal systems to concentrations or quantities which will not harm either sewers,

the wastewater treatment works, treatment process or equipment, will not have an adverse effect

on the receiving stream and soil, vegetation and ground water, or will not otherwise endanger

lives, limb, public property, or constitute a nuisance. The Utilities Superintendent may set

limitations lower than limitations established in the regulations below if, in his or her opinion, the

more severe limitations are necessary to meet the above objectives. In forming his or her opinion

as to the acceptability of wastes, the Utilities Superintendent will give consideration to factors as

the quantity of subject waste in reaction to flows and velocities in the sewers, materials of

construction of the sewers, nature of the sewage treatment process, the city*s NPDES/SDS permit,

capacity of the sewage treatment plant, degree of treatability of wastes in the sewage treatment

plant, and other pertinent factors.

(B) The limitations or restrictions on materials or characteristics of waste or wastewaters

discharged to the sanitary sewer which shall not be violated without approval of the Utilities

Superintendent are as follows:

(1) Any wastewater having a temperature greater than 1500 F (65.60 C), or causing,

individually or in combination with other wastewater, the influent at the wastewater treatment

plant to have a temperature exceeding 104E F (40E C), or having heat in amounts which will

inhibit biological activity in the wastewater treatment works resulting in interference therein.

(2) Any wastewater containing fats, wax, grease or oils, whether emulsified or not, in

excess of 100 mg/l or containing substances which may solidify or become viscous at temperatures

between 32E F and 150E F (0E C and 65.6E C); and any wastewater containing oil and grease

concentrations of mineral origin of greater than 100 mg/l, whether emulsified or not.

(3) Any quantities of flow, concentrations, or both which constitute a “slug” as defined in §



Lake Lillian Ordinance Code - Public Works


(4) Any garbage not properly shredded, as defined in § 51.001 of this chapter. Garbage

grinders may be connected to sanitary sewers from homes, hotels, institutions, restaurants,

hospitals, catering establishments or similar places where garbage originates from the preparation

of food on the premises or when served by caterers.

(5) Any noxious or malodorous liquids, gases or solids which either singly or by interaction

with other wastes are capable of creating a public nuisance or hazard to life, or are sufficient to

prevent entry into the sewers for their maintenance and repair.

(6) Any wastewater with objectionable color not removed in the treatment process such as but

not limited to dye wastes and vegetable tanning solutions.

(7) Non-contact cooling water or unpolluted storm, drainage or ground water.

(8) Wastewater containing inert suspended-solids such as but not limited to fullers earth, lime

slurries, and lime residues, or of dissolved solids such as but not limited to sodium chloride and

sodium sulfate, in quantities that would cause disruption with the wastewater disposal system.

(9) Any radioactive wastes or isotopes of half-life or concentration as may exceed limits

established by the Utilities Superintendent in compliance with applicable state or federal


(10) Any waters or wastes containing the following substances to the degree that any material

received in the composite wastewater at the wastewater treatment works is detrimental to

treatment process, adversely impacts land application, adversely effects receiving waters, or is in

violation of standards pursuant to Section 307(b) of the Act (33 USC 13 17(b)): Arsenic,

Cadmium, Copper, Cyanide, Lead, Mercury, Nickel, Silver, total Chromium, Zinc and Phenolic

compounds which cannot be removed by the city*s wastewater treatment system.

(11) Any wastewater which creates conditions at or near the wastewater disposal system

which violates any statute, rule, regulation or ordinance of any regulatory agency, or state or

federal regulatory body.

(12) Any waters or wastes containing BOD5 or suspended solids of character and quantity that

unusual attention or expense is required to handle the materials at the wastewater treatment works,

except as may be permitted by specific written agreement subject to the provisions of § 51.094.



(A) If any waters or wastes are discharged or are proposed to be discharged to the public

sewers which contain substances or possess the characteristics enumerated in § 51.082, or which

in the judgement of the Utilities Superintendent may have a deleterious effect upon the wastewater

treatment facilities, processes, or equipment, receiving waters or soil, vegetation, and


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ground water, or which otherwise create a hazard to life or constitute a public nuisance, the city


(1) Reject the wastes;

(2) Require pretreatment to an acceptable condition for discharge to the public sewers,

pursuant to Section 307(b) of the Act (33 USC 1317(b)) and all amendments thereof;

(3) Require control over the quantities and rates of discharge; and

(4) Require payment to cover the added costs of handling, treating and disposing of wastes

not covered by existing taxes or sewer service charges. -(

B) If the city permits the pretreatment or equalization of waste flows, the design, installation

and maintenance of the facilities and equipment shall be made at the owner*s expense and shall be

subject to the review and approval of the city pursuant to the requirements of the MPCA.


No user shall increase the use of process water or, in any manner, attempt to dilute a discharge

as a partial or complete substitute for adequate treatment to achieve compliance with the

limitations contained in § 51.081 and 51.082, or contained in the National Categorical

Pretreatment Standards or any state requirements. Penalty, see §51.999


Where pretreatment or flow-equalizing facilities are provided or required for any waters or

wastes, they shall be maintained continuously in satisfactory and effective operation at the expense

of the owner.


Grease, oil, and sand interceptors shall be provided when, in the opinion of the Utilities

Superintendent, they are necessary for the proper handling of liquid wastes containing floatable

grease in excessive amounts, as specified in § 51 .082(B)(2), any flammable wastes as specified

in § 51.081(A), sand or other harmful ingredients; except that interceptors shall not be required for

private living quarters or dwelling units. All interceptors shall be of the type to be readily and

easily accessible for cleaning and inspection. In the maintaining of these interceptors, the owner

shall be responsible for the proper removal and disposal of the captured materials by appropriate

means, and shall maintain a record of dates and means of disposal which are subject to review by

the Utilities Superintendent. Any removal and hauling of the collecting materials not performed by

the owner*s personnel must be performed by a currently licensed waste disposal firm. Penalty,

see § 51.999Lake Lillian Ordinance Code - Public Works



Where required by the city, the owner of any property serviced by a building sewer carrying

industrial wastes shall install a suitable structure, or control manhole, with necessary meters and

other appurtenances in the building sewer to facilitate observation, sampling, and measurement of

wastes. The structure shall be accessible and safely located, and shall be constructed in

accordance with plans approved by the city. The structure shall be installed by the owner at his or

her expense and shall be maintained by the owner to be safe and accessible at all times.

Penalty, see § 51.999


The owner of any property serviced by a building sewer carrying industrial wastes may, at the

discretion of the city, be required to provide laboratory measurements, tests or analyses of waters

or wastes to illustrate compliance with this chapter and any special condition for discharge

established by the city or regulatory agencies having jurisdiction over the discharge. The number,

type and frequency of sampling and laboratory analyses to be performed by the owner shall be as

stipulated by the city. The industry must supply a complete analysis of the constituents of the

wastewater discharge to assure that compliance with federal, state and local standards are being

met. The owner shall report the results of measurements and laboratory analyses to the city at times

and in the manner as prescribed by the city. The owner shall bear the expense of all measurements,

analyses and reporting required by the city. At those times as deemed necessary, the city reserves

the right to take measurements and supplies for analysis by an independent laboratory. Penalty, see

§ 51.999


All measurements, tests and analyses of the characteristics of waters and wastes to which

reference is made in this chapter shall be determined in accordance with the latest edition of

Standard Methods for the Examination of Water and Wastewater, published by the American

Public Health Association. Sampling methods, location, times, duration and frequencies are to be

determined on an individual basis subject to approval by the Utilities Superintendent. Penalty, see

§ 51.999



Where required by the city, the owner of any property serviced by a sanitary sewer shall

provide protection from an accidental discharge of prohibited materials or other substances

regulated by this chapter. Where necessary, facilities to prevent accidental discharges of

prohibited materials shall be provided and maintained at the owner*s expense. Detailed plans

showing facilities and operating procedures to provide this protection shall be submitted to the

Utilities Superintendent for review and approval prior to construction of the facility. Review and

approval of the plans and operating procedures shall not relieve any user from the responsibility to

modify the user*s facility as necessary to meet the requirements of this chapter. Users shall notify

the Utilities Superintendent immediately upon having a slug or accidental discharge of


Lake Lillian Ordinance Code - Public Works


substances of wastewater in violation of this chapter to enable countermeasures to be taken by the

Utilities Superintendent to minimize damage to the wastewater treatment works. The notification

will not relieve any user of any liability for any expense, loss or damage to the wastewater

treatment system or treatment process, or for any fines imposed on the city on account thereof

under any state and federal law. Employers shall insure that all employees who may cause or

discover a discharge are advised of the emergency notification procedure. Penalty, see § 51.999



No person having charge of any building or other premises which drains into the public sewer

shall permit any substance or matter which may form a deposit or obstruction to flow or pass into

the public sewer. Within 30 days after receipt of written notice from the city, the owner shall

install a suitable and sufficient catch basin or waste trap, or if one already exists, shall clean out,

repair or alter the same, and perform other work as the Utilities Superintendent may deem

necessary. Upon the owner*s refusal or neglect to install a catch basin or waste trap or to clean

out, repair, or alter the same after the period of 30 days, the Utilities Superintendent may cause the

work to be completed at the expense of the owner or representative thereof. Penalty, see § 51.999


Whenever any service connection becomes clogged, obstructed, broken or out of order, or

detrimental to the use of the public sewer, or unfit for the purpose of drainage, the owner shall

repair or cause the work to be done as the Utilities Superintendent may direct. Each day after 30

days that a person neglects or fails to so act shall constitute a separate violation of this section, and

the Utilities Superintendent may then cause the work to be done, and recover from the owner or

agent the expense thereof by an action in the name of the city. Penalty, see § 51.999



The owner or operator of any motor vehicle washing or servicing facility shall provide and

maintain in serviceable condition at all times a catch basin or waste trap in the building drain

system to prevent grease, oil, dirt or any mineral deposit from entering the public sewer system.

Penalty, see § 51.999


No statement contained in this subchapter shall be construed as preventing any special

agreement or arrangement between the city and any industrial concern whereby an industrial waste

of unusual strength or character may be accepted by the city for treatment, subject to payment

therefor by the industrial concern; provided, that National Categorical Pretreatment Standards and

the city*s NPDES/SDS Permit limitations are not violated.


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Each user of sewer service shall pay the charges applicable to the type of service, and in

accordance with the provisions set forth in this subchapter.

§ 51.111 PURPOSE.

The purpose of the subchapter is to provide for sewer service charges to recover costs

associated with operation, maintenance and replacement to ensure effective functioning of the

city*s wastewater treatment system, and local capital costs incurred in the construction of the city*s

wastewater treatment system.


For the purpose of this subchapter, the following definitions shall apply unless the context

clearly indicates or requires a different meaning.

ADMINISTRATION. Those fixed costs attributable to administration of the wastewater

treatment works such as billing and associated bookkeeping and accounting costs.

CITY. The area within the corporate boundaries of the city as presently established or as

amended by ordinance or other legal actions at a future time. When used herein the term CITY may

also refer to the City Council or its authorized representative.

DEBT SER VICE CHARGE. A charge levied on users of wastewater treatment facilities for

the cost of repaying money bonded to construct the facilities.

INCOMPATIBLE WASTE. Waste that either singly or by interaction with other wastes

interferes with any waste treatment process, constitutes a hazard to humans or animals, creates a

public nuisance or creates any hazard in the receiving waters of the wastewater treatment works.


(1) (a) Entitles that discharge into a publicly owned wastewater treatment works liquid

wastes resulting from the processes employed in industrial or manufacturing processes, or from the

development of any natural resources. These are identified in the Standard Industrial

Classification Manual, latest edition, Office of Management and Budget, as amended and

supplemental under one of the following divisions:

Division A. Agriculture, forestry and fishing

Division B. Mining

Division D. Manufacturing

Division E. Transportation, communications, electric, gas, and sanitary sewers

Division I. Services


Lake Lillian Ordinance Code - Public Works


(b) For the purpose of this definition, domestic waste shall be considered to have the

following characteristics: BOD5 - less than 287 mg/l; Suspended solids - less than 287 mg/l.

(2) Any nongovernmental user of a publicly owned treatment works which discharges

wastewater to the treatment works which contains toxic pollutants or poisonous solids, liquids or

gases in sufficient quantity either singly or by interaction with other wastes to contaminate the

sludge of any municipal systems, or to injure or to interfere with any sewage treatment process, or

which constitutes a hazard to humans or animals, creates a public nuisance, or creates any hazard

in or has an adverse effect on the waters receiving any discharge from the treatment works.

MAY. The term is permissive.

OPERATION AND MAINTENANCE. Activities required to provide for the dependable and

economical functioning of the treatment works, throughout the design or useful life, whichever is

longer of the treatment works, and at the level of performance for which the treatment works were

constructed. The term includes replacement.

OPERATION AND MAINTENANCE COSTS. Expenditures for operation and maintenance,

including replacement.

REPLACEMENT. Obtaining and installing of equipment, accessories or appurtenances which

are necessary during the design life or useful life, whichever is longer, of the treatment works to

maintain the capacity and performance for which the works were designed and constructed.

REPLACEMENT COSTS. Expenditures for replacement.

SANITARY SEWER. A sewer intended to carry only liquid and water-carried wastes from

residences, commercial buildings, industrial plants and institutions, together with minor quantities

of ground, storm and surface waters which are not admitted intentionally.

SEWER SERVICE CHARGE. The aggregate of all charges, including charges for operation,

maintenance, replacement, debt service, and other sewer related charges that are billed

periodically to users of the city*s wastewater treatment facilities.

SHALL. The term is mandatory.

TOXIC POLLUTANT. The concentration of any pollutant or combination of pollutants as

defined in standards issued pursuant to Section 307(a) of the Act (33 USC 13 17(a)), which upon

exposure to or assimilation into any organism, will cause adverse effects.

USER CHARGE. A charge levied on a user of a treatment works for the user*s proportionate

share of the cost of operation and maintenance, including replacement.


Lake Lillian Ordinance Code - Public Works


USERS. Those residential, commercial, governmental, institutional and industrial

establishments which are connected to the public sewer collection system.

WASTEWATER. The spent water of a community, also referred to as sewage. From the

standpoint of source, it may be a combination of the liquid and water-carried wastes from

residences, commercial buildings, industrial plants and institutions together with any ground water,

surface water and storm water that may be present.


devices, facilities, structures, equipment or processes owned or used by the city for the purpose of

the transmission, storage, treatment, recycling and reclamation of municipal sewage, domestic

sewage or industrial wastewater, or structures necessary to recycle or reuse water including

interceptor sewers, outfall sewers, collection sewers, pumping, power and other equipment and

their appurtenances; extensions, improvements, remodeling, additions and alterations thereof;

elements essential to provide a reliable recycled water supply such as standby treatment units and

clear well facilities; and any works including land which is an integral part of the treatment

process or is used for ultimate disposal of residues resulting from the treatment.


(A) The city hereby establishes a Sewer Service Charge System whereby all revenue collected

from users of the wastewater treatment facilities will be used to affect all expenditures incurred

for annual operation, maintenance and replacement and for debt service on capital expenditure

incurred in constructing the wastewater treatment works.

(B) Each user shall pay its proportionate share of operation, maintenance, and replacement

costs of the treatment works, based on the users proportionate contribution to the total wastewater

loading from all users.

(C) Each user shall pay debt service charges to retire local capital costs as determined by the

City Council.

(D) Sewer service rates and charges to users of the wastewater treatment facility shall be

determined and fixed in a “Sewer Service Charge System” developed according to the provisions

of this subchapter. The Sewer Service Charge System shall be the system enacted prior to the

adoption of this code. The Ordinance Establishing Fees and Charges adopted pursuant to § 30.11

of this Code may be amended from time to time to include subsequent changes in sewer service

rates and charges.

(E) Revenues collected for sewer service shall be deposited in a separate fund. Income from

revenues collected will be expended to off-set the cost of operation, maintenance and equipment

replacement for the facility and to retire the debt for capital expenditure.

(F) Sewer service charges and the sewer service fund will be administrated in accordance

with the provisions of § 51.115.


Lake Lillian Ordinance Code - Public Works


(G) A connection fee as fixed in the Ordinance Establishing Fees and Charges adopted

pursuant to § 30.11 of this Code, as that ordinance may be amended from time to time, shall be

charged to each user connecting a new service to the Sanitary Sewer System. The connection fee

shall be due and payable within 90 days of the date the connection is completed. Penalty, see §



The sewer service rates and charges to users of the wastewater treatment facility shall be as

established by ordinance or resolution prior to the adoption of this code, unless amended or

modified in the Ordinance Establishing Fees and Charges, adopted pursuant to § 30.11, as that

ordinance may be amended from time to time. Penalty, see § 51.999


The sewer service charge system and sewer service fund shall be administrated according to

the following provisions:

(A) The City Clerk shall maintain a proper system of accounts suitable for determining the

operation and maintenance, equipment replacement and debt retirement costs of the treatment

works, and shall furnish the City Council with a report of those costs annually in December. The

City Council shall annually determine whether or not sufficient revenue is being generated for the

effective operation, maintenance, replacement and management of the treatment works, and

whether sufficient revenue is being generated for debt retirement. The Council will also determine

whether the user charges are distributed proportionately to each user in accordance with §

51.113(B). The city shall thereafter, but not later than the end of the year, reassess and as

necessary revise the Sewer Service Charge System then in use to insure the proportionality of the

user charges and to insure the sufficiency of funds to maintain the capacity and performance to

which the facilities were constructed, and to retire the construction debt.

(B) In accordance with federal and state requirements, each user will be notified annually in

conjunction with a regular billing of that portion of the sewer service charge attributable to

operation, maintenance and replacement.

(C) In accordance with federal and state requirements, the City Clerk shall be responsible for

maintaining all records necessary to document compliance with the Sewer Service Charge System


(D) Bills for sewer service charges shall be rendered on a monthly basis succeeding the

period for which the service was rendered and shall be due on the 15th of the month succeeding the period for which the service was rendered. Any

bill not paid in full by the 15th of the month will be considered delinquent. At that time the city

shall notify the delinquent owner/occupant in writing regarding the delinquent bill and

disconnection of services. Disconnection of services for late payment shall follow the procedures

established in § 51.116. Lake Lillian Ordinance Code - Public Works


(E) The owner of the premises shall be liable to pay for the service to their premises, and the

service is furnished to the premises by the city only upon the condition that the owner of the

premises is liable therefore to the city.

(F) Any additional costs caused by discharges to the treatment works of toxics or other

incompatible wastes, including the cost of restoring wastewater treatment services, clean up and

restoration of the receiving waters and environs, and sludge disposal, shall be borne by the

discharger of the wastes, at no expense to the city.


(A) It is the policy of the city to discontinue sewer service to customers by reason of

nonpayment of bills.

(B) That any customer disputing the correctness of his or her bill shall have a right to a hearing

at which time he or she may be represented in person and by counsel or any other person of his or

her choosing and may present orally or in writing his or her complaint and contentions to the city

official in charge of utility billing or the city council. This official or the city council shall be

authorized to order that the customer*s service not be discontinued and shall have the authority to

make a final determination of the customer*s complaint.

(C) Requests for delays or waiver of payment will not be entertained; only questions of proper

and correct billing will be considered.

(D) When it becomes necessary for the city to discontinue sewer service to a customer for

nonpayment of bills, service will be reinstated only after all bills for service then due have been

paid, along with a turn-on charge as established by the Ordinance Establishing Fees and Charges

adopted pursuant to § 30.11 of this Code, as that ordinance may be amended from time to time.



The Utilities Superintendent or other duly authorized employees of the city, bearing proper

credentials and identification, shall be permitted to enter all properties for the purpose of

inspection, observations, measurement, sampling and testing pertinent to the discharges to the

city*s sewer system in accordance with the provisions of this chapter.



The Utilities Superintendent or other duly authorized employees are authorized to obtain

information concerning industrial processes which have a direct bearing on the type and source of

discharge to the wastewater collection system. An industry may withhold information


Lake Lillian Ordinance Code - Public Works


considered confidential; however, the industry must establish that the revelation to the public of the

information in question might result in an advantage to competitors.


While performing necessary work on private properties, the Utilities Superintendent or duly

authorized employees of the city shall observe all safety rules applicable to the premises

established by the company, and the property owner shall be held harmless for injury or death to

the city employees and the city shall indemnify the property owner against loss or damage to its

property by city employees and against liability claims and demands for personal injury or

property damage asserted against the company and growing out of the gauging and sampling

operation, except as may be caused by negligence or failure of the company to maintain safe

conditions as required in § 51.087.



The Utilities Superintendent or other duly authorized employees of the city bearing proper

credentials and identification shall be permitted to enter all private properties through which the

city holds a duly negotiated easement for the purposes of but not limited to inspection, observation,

measurement, sampling, repair and maintenance of any portion of the wastewater facilities lying

within the easement. All entry and subsequent work, if any, on the easement shall be done in full

accordance with the terms of the duly negotiated easement pertaining to the private property


§ 51.999 PENALTY.

(A) (1) Any person found to be violating any provisions of § 51.001 through 51.094 and

51.130 through 51.133 shall be served by the city with written notice stating the nature of the

violation and providing a reasonable time limit for the satisfactory correction thereof. The

offender shall, within the period of time stated in the notice, permanently cease all violations.

(2) Any person who shall continue any violation beyond the time limit provided for in

division (A) of this section shall be punished as provided in § 10.99. Each day in which any

violation occurs shall be deemed as a separate offense.

(3) Any person violating any of the provisions of § 51.001 through 51.094 and 51.130

through 51.133 shall become liable to the city for any expense, loss or damage occasioned by the

city by reason of that violation.

(B) (1) Each and every sewer service charge levied by and pursuant to § 51.110 through

51.118 is made a lien upon the lot or premises served, and all charges which are on October 31 of

each year past due and delinquent shall be certified to the County Auditor by November 30 as

taxes or assessments on the real estate. Nothing in § 51.110 through 51.118 shall be held or

construed as in any way stopping or interfering with the right of the city to levy as taxes or

assessments against any premises affected any delinquent or past due sewer service charges.

Lake Lillian Ordinance Code - Public Works


(2) As an alternative to levying a lien, the city may, at its discretion, file suit in a civil

action to collect amounts as are delinquent and due against the occupant, owner or user of the real

estate, and shall collect as well all attorney*s fees incurred by the city in filing the civil action.

Attorney*s fees shall be fixed by order of the court.

(3) In addition to all penalties and costs attributable and chargeable to recording

notices of the lien or filing a civil action, the owner or user of the real estate being serviced by the

treatment works shall be liable for interest upon all unpaid balances at the rate of 8% per annum.







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