6 PROPOSED ADMINISTRATIVE RULES  

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    ORR # 2002-019

     

    DEPARTMENT OF ENVIRONMENTAL QUALITY DRINKING WATER AND RADIOLOGICAL PROTECTION DIVISION

    SUPPLYING WATER TO THE PUBLIC

     

    Filed with the Secretary of State on

    These rules take effect 7 days after filing with the Secretary of State

     

    (By  authority  conferred  on  the  department  of  environmental  quality  by  sections  5,  7,  14,  and  19  of 1976 PA 399, MCL 325.1005, 325.1007, 325.1014, and 325.1019, and Executive Reorganization Order

    No. 1996-1, MCL 330.3101)

     

    R 325.10102, R 325.10103, R 325.10104, R 325.10105, R 325.10106, R 325.10108, and R 325.10109 of

    the Michigan Administrative Code are amended as follows:

     

    PART 1. GENERAL PROVISIONS

     

    R 325.10102 Definitions; A, B.

    Rule 102. As used in these rules:

    (a)      "Act" means Act No. 399 of the Public Acts of 1976, being § 1976 PA 399, MCL 325.1001 et seq. of the Michigan Compiled Laws, and known as the safe drinking water act.

    (b)        "Action level" means the concentration of lead or copper in water as specified in R 325.10604f(1)(c) that determines, in some cases, the treatment requirements that a water system is required to complete.

    (c)          "Advisory board" means the advisory board of examiners appointed by the director  pursuant  to  the provisions of UNDER section 9(2) of the act.

    (d)        "Alteration" means the modification of, or addition to, an existing waterworks system, or portion of the system, that affects any of the following:

    (i)  Flow.

    (ii) Capacity.

    (iii)  System service area.

    (iv)  Source.

    (v)  Treatment.

    (vi) Reliability.

    (e)          "Approved analytical technique" means a calculation, determination, or other laboratory examination or procedure that has been approved by the United States environmental protection agency pursuant to the provisions of 40 C.F.R. part 141, WHICH IS ADOPTED BY REFERENCE IN R 325.10605.

    (f)       "Approved basement" means a basement which has walls and a floor that are constructed of concrete or its equivalent, which is essentially watertight, which is effectively drained, and which is in daily use.

     

     

    (g)       "Aquifer" means an underground water-bearing formation that WHICH is saturated and which transmits water in sufficient quantities to serve as a water supply.

    (h)      "Artesian" means a condition of internal pressure which causes the water level in a well to rise above the aquifer used to supply water at the well location.

    (i)       "Back-up operator" means a certified operator designated by the public water supply to be in charge of the waterworks system or portion of the waterworks system when the operator-in-charge is not available.

    (j)      "Bottled drinking water" means water that is ultimately sold, provided, or offered for human consumption in a closed container.

     

    R 325.10103 Definitions; C.

    Rule 103. As used in these rules:

    (a)        "C" in "CT calculation" means the residual disinfectant concentration measured in milligrams per liter in a representative sample of water.

    (b)        "Casing" means a durable pipe that is placed in a well to prevent the soil from caving in and to seal off surface drainage or undesirable water, gases, contaminants, or other fluids and prevent them from entering the well and the aquifer supplying the well.

    (c)      "Casing vent" means an outlet at the upper terminal of a well casing which provides atmospheric pressure in the well and which allows the escape of gases when present.

    (d)       "Certificate" means a document that is issued by the department to a person who meets the qualification requirements for operating a waterworks system or a portion of the waterworks system.

    (e)      "Certified operator" means an operator who holds a certificate.

    (f)     "Community supply" or "community water supply" or "community water system" means a public water supply that provides year-round service to not fewer than 15 living units or that regularly provides year-round service to not fewer than 25 residents.

    (g)           "Complete treatment system" means a treatment system that employs SERIES OF PROCESSES, INCLUDING disinfection, coagulation, sedimentation, and filtration units that function collectively to effect control over water quality characteristics AND FILTRATION, TO TREAT SURFACE WATER OR GROUND WATER UNDER THE DIRECT INFLUENCE OF SURFACE WATER, OR TO TREAT GROUND WATER NOT UNDER THE DIRECT INFLUENCE OF SURFACE WATER THAT USES PRECIPITATIVE SOFTENING, to produce a finished water that meets the requirements of the MEETING state drinking water standards.

    (h)     "Compliance cycle" means the 9-year calendar year cycle during which public water systems are required to monitor. Each compliance cycle consists of 3 3-year compliance periods. The first calendar year cycle begins January 1, 1993, and ends December 31, 2001; the  second  begins  January 1, 2002, and  ends December 31, 2010; the third begins January 1, 2011, and ends December 31, 2019.

    (i)       "Compliance period" means a 3-year calendar year period within a compliance cycle. Each compliance cycle has 3 3-year compliance periods. Within the first compliance cycle, the first compliance period runs from January 1, 1993, to December 31, 1995; the second from January 1, 1996, to December 31, 1998; the third from January 1, 1999, to December 31, 2001.

    (j)"COMPREHENSIVE PERFORMANCE EVALUATION (CPE)" MEANS A THOROUGH REVIEW AND ANALYSIS OF A TREATMENT PLANT’S PERFORMANCE-BASED CAPABILITIES AND ASSOCIATED ADMINISTRATIVE, OPERATION, AND MAINTENANCE PRACTICES. IT IS CONDUCTED TO IDENTIFY FACTORS THAT MAY BE ADVERSELY IMPACTING A PLANT’S CAPABILITY TO ACHIEVE COMPLIANCE AND EMPHASIZES APPROACHES THAT CAN BE IMPLEMENTED  WITHOUT  SIGNIFICANT  CAPITAL  IMPROVEMENTS.  FOR  PURPOSES  OF

     

     

    COMPLIANCE, THE COMPREHENSIVE PERFORMANCE EVALUATION SHALL CONSIST OF AT LEAST ALL OF THE FOLLOWING COMPONENTS:

    (i)  ASSESSMENT OF PLANT PERFORMANCE.

    (ii) EVALUATION OF MAJOR UNIT PROCESSES.

    (iii) IDENTIFICATION AND PRIORITIZATION OF PERFORMANCE LIMITING FACTORS.

    (iv) ASSESSMENT OF THE APPLICABILITY OF COMPREHENSIVE TECHNICAL ASSISTANCE.

    (v)  PREPARATION OF A CPE REPORT.

    (j)(k) "Confluent growth" means a continuous bacterial growth that covers the entire filtration area of a membrane filter, or portion of a filtration area, in which bacterial colonies are not discrete.

    (k)(l) "Construction" means the erection, installation, or alteration of a waterworks system, or any portion of a waterworks system, that affects any of the following:

    (i)  Flow.

    (ii) Capacity.

    (iii)  System service area.

    (iv)  Source.

    (v)  Treatment.

    (vi) Reliability.

    (l)(m) "Contested cases" means matters that are within the definition of a contested case as set forth by section 3(3) of 1969 PA 306, MCL 24.203(3), and matters of issue that involve any of the following which are issued by the director, the department, or the division pursuant to the act and these rules:

    (i)  Orders.

    (ii) Exemptions.

    (iii) Variances.

    (iv) Stipulations.

    (v)  Consent agreements.

    (vi)  Permits.

    (vii) Licenses.

    (viii) Certificates.

    (m)(n) "Contested case hearing" means a hearing that is initiated by the department or a person under chapters 4, 5, and 6 of 1969 PA 306, MCL 24.271 to 24.306.

    (n)(o) "Contaminant" means a physical, chemical, biological, or radiological substance or matter in water. (o)(p) "Contingency plan" means a plan for use by a supplier of water in the event of an emergency.

    (q) "CONVENTIONAL FILTRATION" MEANS A SERIES OF PROCESSES, INCLUDING COAGULATION, FLOCCULATION, SEDIMENTATION, AND FILTRATION, RESULTING IN SUBSTANTIAL PARTICULATE REMOVAL.

    (p)(r) "Corrosion inhibitor" means a substance that is capable of reducing the corrosivity of water toward metal plumbing materials, especially lead and copper, by forming a protective film on the interior surface of those materials.

    (q)(s) "Cross connection" means a connection or arrangement of piping or appurtenances through which a backflow could occur.

    (r)(t) "CT calculation" means the product of residual disinfectant concentration (C) in milligrams per liter determined at or before the first customer and the corresponding disinfectant contact time (T) in minutes; C*T is calculated at rated capacity. The total CT shall be the sum of individual CTs of each disinfectant sequence.  (s)(u) "Customer service connection" means the pipe between a water main and customer site piping or building plumbing system.

     

     

    (t)(v) "Customer site piping" means an underground piping system owned or controlled by the customer that conveys water from the customer service connection to building plumbing systems and other points of use on lands owned or controlled by the customer. Customer site piping does not include any system that incorporates treatment to protect public health.

     

    R 325.10104 Definitions; D, E.

    Rule 104. As used in these rules:

    (a)      "Department" means the department of environmental quality or its authorized agent or representative.

    (b)      "Deviation" means an exception to a department rule establishing minimum standards or requirements issued in writing or as a condition to a permit to a supplier of water.

    (c)          "DIRECT FILTRATION" MEANS A SERIES OF PROCESSES, INCLUDING COAGULATION AND FILTRATION, BUT EXCLUDING SEDIMENTATION, RESULTING IN SUBSTANTIAL PARTICULATE REMOVAL.

    (c)(d) "Director" means the director of environmental quality or his or her authorized agent or representative. (d)(e) "Disinfectant contact time" (T in CT calculations) means the time in minutes that it takes for water to move from the point of disinfectant application or the previous point of disinfectant residual measurement to a point at or before the point where residual disinfectant concentration is measured. Disinfectant contact time in pipelines shall be calculated based on plug flow by dividing the internal volume of the pipe by the maximum hourly flow rate through that pipe. Disinfectant contact time within mixing basins and storage reservoirs shall be determined by tracer studies or an equivalent demonstration.

    (e)(f) "Distribution system" means a system that consists of the following components through which water is distributed and used or intended for use for drinking or household purposes:

    (i)  Piping.

    (ii) Transmission or distribution mains.

    (iii)  Pumps.

    (iv)  Pumping stations.

    (v)  Storage tanks.

    (vi)  Controls.

    (vii)  Associated appurtenances.

    (f)(g) "Division" means the drinking water and radiological protection division of the department.

    (g)(h) "Domestic or other non-distribution system plumbing problem" means a coliform contamination problem in a public water system with WHICH HAS more than 1 service connection that is limited to the specific service connection from which the coliform positive sample was taken.

    (h)(i) "Drawdown" means the difference between the static water level and the pumping water level in a well or, for a flowing artesian well, the difference between an established datum above ground and the pumping water level.

    (i)(j) "Effective corrosion inhibitor residual," for the purpose of lead and copper control, means a concentration that is sufficient to form a passivating film on the interior walls of a pipe.

    (j)(k) "Emergency" means a situation in a public water supply that results in contamination, loss of pressure, lack of adequate supply of water, or other condition that poses an imminent hazard or danger to the public health.

    (l)   "ENHANCED COAGULATION" MEANS THE ADDITION OF SUFFICIENT COAGULANT FOR IMPROVED REMOVAL OF DISINFECTION BYPRODUCT PRECURSORS BY CONVENTIONAL FILTRATION TREATMENT.

    (m)      "ENHANCED SOFTENING" MEANS THE IMPROVED REMOVAL OF DISINFECTION BYPRODUCT PRECURSORS BY PRECIPITATIVE SOFTENING.

     

     

    (k)(n) "EPA" means the United States environmental protection agency.

    (l)(o) "Equivalent certificate" means a certificate which is issued to certain individuals. Individuals eligible for an equivalent certificate do not hold a current certificate but were issued certification before the effective date of the current rules.

    (m)(p) "Established ground surface" means the intended or actual finished grade or elevation of the surface of the ground at the site of a water supply facility.

    (n)(q) "Exemption" means an order, with appropriate conditions, time schedules, and compliance requirements, that is issued by the director to a supplier of water permitting a public water supply to be in temporary noncompliance with a state drinking water standard, including a specified treatment technique.

     

    R 325.10105 Definitions; F to L.

    Rule 105. As used in these rules:

    (a)        "Federal act" means the safe drinking water act of 1974, 42 U.S.C. S300f et seq. and the provisions of 40 C.F.R. part 35, §35.600 to §35.630; 40 C.F.R. part 141; and 40 C.F.R. part 142  promulgated  by EPA (1999) under the federal act.

    (b)           "FILTER PROFILE" MEANS A GRAPHICAL REPRESENTATION OF INDIVIDUAL FILTER PERFORMANCE, BASED ON CONTINUOUS TURBIDITY MEASUREMENTS OR TOTAL PARTICLE COUNTS VERSUS TIME FOR AN ENTIRE FILTER RUN, FROM STARTUP TO BACKWASH INCLUSIVELY, THAT INCLUDES AN ASSESSMENT OF FILTER PERFORMANCE WHILE ANOTHER FILTER IS BEING BACKWASHED.

    (b)(c) "Finished water" means water that is ready for distribution to the customers or users of a public water supply.

    (c)(d) "Firm capacity," as applied to wells, pumping stations, or units of treatment systems, means the production capability of each respective part of the waterworks system with the largest well, pump, or treatment unit out of service.

    (d)(e) "First draw sample" means a 1-liter sample of tap water which has been standing in plumbing pipes for not less than 6 hours and which is collected without flushing the tap.

    (f) "GAC10" MEANS GRANULAR ACTIVATED CARBON FILTER BEDS WITH AN EMPTY-BED CONTACT TIME OF 10 MINUTES BASED ON AVERAGE DAILY FLOW AND A CARBON REACTIVATION FREQUENCY OF EVERY 180 DAYS.

    (e)(g) "Gravity storage tank" means an elevated or ground level finished water storage reservoir that, during normal use, operates under atmospheric pressure.

    (f)(h) "Ground water" or "groundwater" means the water in the zone of saturation in which all of the pore spaces of the subsurface material are filled with water.

    (g)(i) "Ground water under the direct influence of surface water (GWUDI)" means any water beneath the surface of the ground with significant occurrence of insects or other macroorganisms, algae, or large-diameter pathogens such as Giardia lamblia or Cryptosporidium, or significant and relatively rapid changes SHIFTS in water characteristics, such as turbidity, temperature, conductivity, or pH, that closely correlate to climatological or surface water conditions.

    (h)(j) "Grout" means neat cement, concrete, or other sealing material which is approved by the department and which is used to seal a well casing in a well.

    (k) "HALOACETIC ACIDS (FIVE) (HAA5)" MEAN THE SUM OF THE CONCENTRATIONS IN MILLIGRAMS PER LITER OF THE HALOACETIC ACID COMPOUNDS (MONOCHLOROACETIC ACID, DICHLOROACETIC ACID, TRICHLOROACETIC ACID, MONOBROMOACETIC ACID, AND DIBROMOACETIC ACID), ROUNDED TO 2 SIGNIFICANT FIGURES AFTER ADDITION.

     

     

    (i)(l) "Imminent hazard" means that, in the judgment of the director, there is a violation, or a condition that may cause a violation, of the state drinking water standards at a public water supply requiring immediate action to prevent endangering the health of people.

    (j)(m) "Initial compliance period" means January 1993 to December 1995. For a system that has less than 150 service connections, the initial compliance period is January 1996 to December 1998 for contaminants listed in part 6 of these rules that have an effective date of January 17, 1994.

    (k)(n) "Large water supply" or "large water system," for the purpose of lead and copper control, means a public water supply that serves more than 50,000 persons.

    (l)(o) "Lead service line" means a service line which is made of lead and which connects the water main to the building inlet and any lead pigtail, gooseneck, or other fitting that is connected to the lead line.

    (m)(p) "License" means the license that is issued by the department to a water hauler, or for a water hauling tank, pursuant to section 18 of the act.

    (n)(q) "Limited treatment system" means a treatment system, including, but not limited to, disinfection, fluoridation, iron removal, ion exchange treatment, phosphate application, or filtration other than complete treatment.

    (o)(r) "Living unit" means a house, apartment, or other domicile occupied or intended to be occupied on a day- to-day basis by an individual, family group, or equivalent.

     

    R 325.10106 Definitions; M to O.

    Rule 106. As used in these rules:

    (a) "MAXIMUM RESIDUAL DISINFECTANT LEVEL (MRDL)" MEANS A LEVEL OF A DISINFECTANT ADDED FOR WATER TREATMENT THAT MAY NOT BE EXCEEDED AT THE CONSUMER'S TAP WITHOUT AN UNACCEPTABLE POSSIBILITY OF ADVERSE HEALTH EFFECTS.

    (a)(b) "Maximum TTHM potential" means the maximum concentration of total trihalomethanes produced in a given water containing a disinfectant residual after 7 days at a temperature of 25 degrees Centigrade or above. (b)(c) "MCL" means the maximum permissible level of a contaminant in water that is delivered to any user of a public water supply.

    (c)(d) "MDL" means method detection limit for analytical work done to determine compliance with the act. (d)(e) "Medium-size water system" or "medium-size water supply," for the purpose of lead and copper control, means a public water supply that serves more than 3,300 persons and fewer than or equal to 50,000 persons.

    (f)  "MEMBRANE  FILTRATION"  MEANS  ANY  FILTRATION  PROCESS  USING  TUBULAR  OR SPIRAL WOUND ELEMENTS THAT EXHIBITS THE ABILITY TO MECHANICALLY SEPARATE WATER FROM OTHER IONS AND SOLIDS BY CREATING A PRESSURE DIFFERENTIAL AND FLOW ACROSS A MEMBRANE WITH AN ABSOLUTE PORE SIZE OF LESS THAN 1 MICRON. (e)(g) "Monitoring requirement" means a schedule, frequency, and location for the sampling and analysis of water that is required by the provisions of part 7 of these rules to determine whether a public water supply is in compliance with the state drinking water standards.

    (f)(h) "Near the first service connection" means at 1 of the 20% of all service connections in the entire system that are nearest the water supply treatment facility, as measured by water transport time within the distribution system.

    (g)(i) "Noncommunity supply" or "noncommunity water supply" or "noncommunity water system" means a public water supply that is not a community supply, but that has not fewer than 15 service connections or that serves not fewer than 25 individuals on an average daily basis for not less than 60 days per year.

     

     

    (h)(j) "Nontransient noncommunity water supply" or "nontransient noncommunity water system" or "NTNC" means a noncommunity supply that serves not fewer than 25 of the same individuals on an average daily basis over MORE THAN 6 months per year. This definition includes public water supplies in places of employment, schools, and day-care centers.

    (i)(k) "NTU" means nephelometric turbidity unit.

    (j)(l) "One hundred-year drought elevation" means the minimum projected water surface elevation that would occur at a location once in a period of 100 years.

    (k)(m) "One hundred-year flood elevation" means the maximum projected water surface elevation that would occur at a location once in a period of 100 years.

    (l)(n) "Operating shift" means that period of time during which operator decisions that affect public health are necessary for proper operation of the waterworks system.

    (m)(o) "Operator" means an individual who operates a waterworks system or a portion of a waterworks system.

    (n)(p) "Operator in charge" means a certified operator who is designated by the owner of a public water supply as the responsible individual in overall charge of a waterworks system, or portion of a waterworks system, who makes decisions regarding the daily operational activities of the system that will directly impact the quality or quantity of drinking water.

    (o)(q) "Optimal corrosion control treatment," for the purpose of lead and copper control, means the corrosion control treatment that minimizes the lead and copper concentrations at users' taps while ensuring that the treatment does not cause the public water supply to be in violation of any national primary drinking water regulations.

     

    R 325.10108 Definitions; S.

    Rule 108. As used in these rules:

    (i)  SOURCE.

    (ii) TREATMENT.

    (iii) DISTRIBUTION SYSTEM.

    (iv)  FINISHED WATER STORAGE.

    (v)  PUMPS, PUMP FACILITIES, AND CONTROLS.

    (vi) MONITORING, REPORTING, AND DATA VERIFICATION.

    (vii) SYSTEM MANAGEMENT AND OPERATION.

    (viii)OPERATOR COMPLIANCE WITH STATE REQUIREMENTS.

    (b)      "Service connection" means a direct connection from a distribution water main to a living unit or other site to provide water for drinking or household purposes.

    (c)       "Service line sample" means a 1-liter sample of water that has been standing for not less than 6 hours in a service line.

    (d)        "Shift operator" means a certified operator, other than the operator in charge, who is in charge of an operating shift of a waterworks system.

    (e)       "Single-family structure," for the purpose of lead and copper control, means a building which is constructed as a single-family residence and which is currently used as either a residence or a place of business.

     

     

    (f)      "Small water supply" or "small water system," for the purpose of lead and copper control, means a public water supply that serves fewer than 3,301 persons.

    (g)      "SOC" means synthetic organic chemical.

    (h)       "Source" means the point of origin of raw water or means treated water that is purchased or obtained by a public water supply, by a water hauler, or by a person who provides bottled water.

    (i)       "State drinking water standards" means quality standards setting limits for contaminant levels or establishing treatment techniques to meet standards necessary to protect the public health.

    (j)       "Static water level" means the distance measured from an established datum at or above ground level to the water surface in a well which is not being pumped, which is not under the influence of pumping, and which is not flowing under artesian pressure.

    (k)        "SUBPART H SYSTEMS" MEANS PUBLIC WATER SYSTEMS USING SURFACE WATER OR GROUND WATER UNDER THE DIRECT INFLUENCE OF SURFACE WATER AS A SOURCE.

    (k)(l) "Suction line" means a pipe or line that is connected to the inlet side of a pump or pumping equipment. (l)(m) "Supplier of water" or "supplier" means a person who owns or operates a public water supply, and includes a water hauler.

    (m)(n) "Surface water" means water that rests or flows on the surface of the ground.

    (o) "SUVA" MEANS SPECIFIC ULTRAVIOLET ABSORPTION AT 254 NANOMETERS (NM), AN INDICATOR OF THE HUMIC CONTENT OF WATER. IT IS A CALCULATED PARAMETER OBTAINED BY DIVIDING A SAMPLE’S ULTRAVIOLET ABSORPTION AT A WAVELENGTH OF 254 NM (UV254) (IN M-1) BY ITS CONCENTRATION OF DISSOLVED ORGANIC CARBON (DOC) (IN MG/L). THEREFORE, SUVA UNITS ARE L/MG-M.

    (n)(p) "System with a single-service connection" means a public water supply that supplies drinking water to consumers through a single-service line.

     

    R 325.10109 Definitions; T to Y.

    Rule 109. As used in these rules:

    (a)      "Test well" means a well that is drilled on a site that has not been approved for use as a production well in accordance with the provisions of part 8 of these rules.

    (b)          "Too numerous to count" means that the total number of bacterial colonies is more than 200 on  a 47-millimeter diameter membrane filter.

    (c)              "TOTAL ORGANIC CARBON (TOC)" MEANS TOTAL ORGANIC CARBON IN MG/L MEASURED USING HEAT, OXYGEN, ULTRAVIOLET IRRADIATION, CHEMICAL OXIDANTS, OR COMBINATIONS OF THESE OXIDANTS THAT CONVERT ORGANIC CARBON TO CARBON DIOXIDE, ROUNDED TO 2 SIGNIFICANT FIGURES.

    (c)(d) "Total trihalomethanes" or "TTHM" means the sum of the concentration, in milligrams per liter, rounded to 2 significant figures, of all of the following:

    (i)  The trihalomethane compounds.

    (ii) Trichloromethane (chloroform).

    (iii) Dibromochloromethane.

    (iv) Bromodichloromethane.

    (v)  Tribromomethane (bromoform).

    (d)(e) "Transient noncommunity water supply" or "transient noncommunity water system" means a noncommunity supply  that  does  not  meet  the  definition  of  nontransient  noncommunity  water  supply  in R 325.10106(h).

     

     

    (e)(f) "Treatment system" means a facility or structure and associated appurtenances installed for the purpose of treating drinking water before delivery to a distribution system.

    (f)(g) "Treatment technique" means a minimum treatment requirement or a necessary methodology or technology that is employed by a supplier of water for the control of the chemical, physical, biological, or radiological characteristics of the public water supply.

    (g)(h) "Trihalomethane" or "THM" means 1 of the family of organic compounds named as derivatives of methane, wherein 3 of the 4 hydrogen atoms in methane are each substituted by a halogen atom in the molecular structure.

    (h)(i) "Unregulated contaminants" means a group of contaminants for which state drinking water standards have not been promulgated, but for which monitoring requirements apply.

    (i)(j) "Variance" means an order, with appropriate conditions and compliance schedules and requirements, which is issued by the director to a supplier of water and which permits a public water supply to be in noncompliance with a state drinking water standard, including a specified treatment technique.

    (j)(k) "VOC" means volatile organic chemical.

    (k)(l) "Water hauler" means a person engaged in bulk vehicular transportation of water to other than the water hauler's own household which is intended for use or used for drinking or household purposes. Excluded from this definition are those persons providing water solely for employee use.

    (l)(m) "Water transportation tank" means a tank that is associated with an over-the-road vehicle that is used for the bulk transport of drinking water.

    (m)(n) "Waterworks system" or "system" means a system of pipes and structures through which water is obtained and distributed, including, but not limited to ALL OF THE FOLLOWING WHICH ARE ACTUALLY USED OR INTENDED FOR USE FOR THE PURPOSE OF FURNISHING WATER FOR DRINKING OR HOUSEHOLD PURPOSES:

    (v)  Pipelines and appurtenances, or.

    (vi) A combination of the items specified in this subdivision, actually used or intended for use for the purpose of furnishing water for drinking or household purposes.

    (n)(o) "Year-round service" means the ability of a supplier of water to provide drinking water on a continuous basis to a living unit or facility.