Ariz. Admin. Code § 18-4-103

Current through Register Vol. 30, No. 49, December 6, 2024

Section R18-4-103 - General - 40 Cfr 141, Subpart A

A.40 CFR 141, Subpart A ( 40 CFR 141.1 through 141.6) , is incorporated by reference as of the date specified in R18-4-102, except for the changes listed in this Section; this incorporation does not include any later amendments or editions.

B. The definition of "State" in 40 CFR 141.2 is not incorporated by reference. In addition to the terms defined in A.R.S. §§ 49-201 and 49-351, and 40 CFR 141.2, in this Chapter, unless otherwise specified, the terms listed below have the following meanings.

"Air-gap separation" means a physical separation between the discharge end of a supply pipe and the top rim of its receiving vessel of at least 1 inch or twice the diameter of the supply pipe, whichever is greater.

"ANSI/NSF Standard 60" means American National Standards Institute/NSF International Standard 60 - 2014a, Drinking Water Treatment Chemicals - Health Effects, November 17, 2014, incorporated by reference and on file with the Department. This material is available from NSF International, 789 N. Dixboro Road, P.O. Box 130140, Ann Arbor, MI 48113-0140, USA; (734) 769-8010; http://www.nsf.org. This incorporation by reference includes no future editions or amendments.

"ANSI/NSF Standard 61" means American National Standards Institute/NSF International Standard 61 - 2014a, Drinking Water System Components - Health Effects, October 19, 2014, incorporated by reference and on file with the Department. This material is available from NSF International, 789 N. Dixboro Road, P.O. Box 130140, Ann Arbor, MI 48113-0140, USA; (734) 769-8010; http://www.nsf.org. This incorporation by reference includes no future editions or amendments.

"Backflow" means a reverse flow condition that causes water or mixtures of water and other liquids, gases, or substances to flow back into the distribution system. Backflow can be created by a difference in water pressure (backpressure), a vacuum or partial vacuum (backsiphonage), or a combination of both.

"Backflow-prevention assembly" means a mechanical device used to prevent backflow.

"Capacity" means the overall capability of a water system to consistently produce and deliver water meeting all national and state primary drinking water regulations in effect when new or modified operations begin. Capacity includes the technical, managerial, and financial capacities of the water system to plan for, achieve, and maintain compliance with applicable national and state primary drinking water regulations.

"Capacity development" means improving public water system finances, management, infrastructure, and operations, so that the public water system can provide safe drinking water consistently, reliably, and cost-effectively.

"Capacity development report" means an annual report adopted by the Department that describes progress made in improving technical, managerial, or financial capacity of public water systems in Arizona.

"Cross connection" means a physical connection between a public water system and any source of water or other substance that may lead to contamination of the water provided by the public water system through backflow.

"Distribution system" means a pipeline, appurtenance, device, and facility of a public water system that conducts water from a source or water treatment plant to persons served by the system.

"Department" means the Arizona Department of Environmental Quality.

"Double check valve assembly" means a backflow-prevention assembly that contains two independently acting check valves with tightly closing, resilient-seated shut-off valves on each end of the assembly and properly located, resilient-seated test cocks.

"Elementary business plan" means a document containing all of the items necessary for a complete review of the technical, managerial, and financial capacity of a new public water system under Article 6 of this Chapter.

"Entry point to the distribution system" means a compliance sampling point anywhere on a finished water line that is representative of a water source and located after the well, surface water intake, treatment plant, storage tank, or pressure tank, whichever is last in the process flow, but prior to where the water is discharged into the distribution system and prior to the first service connection.

"EPA" means the United States Environmental Protection Agency.

"Exclusion" means a waiver granted by the Department under R18-4-219 from a requirement of this Chapter that is not a requirement contained in a federal drinking water law.

"Exemption" means a form of temporary relief from a maximum contaminant level or treatment technique granted by the Department to a public water system, pending installation and operation of treatment facilities, acquisition of an alternate source, or completion of improvements in treatment processes to bring the system into compliance with drinking water regulations.

"Financial capacity" means the ability of a public water system to acquire and manage sufficient financial resources for the system to achieve and maintain compliance with the federal Safe Drinking Water Act.

"Groundwater system" means a public water system that is supplied solely by groundwater that is not under the direct influence of surface water.

"Lead-free"

has the same meaning prescribed in A.R.S. § 49-353(B).

"Major stockholder" means a person who has 20% or more ownership interest in a public water system.

"Master priority list" means a list created by the Department that ranks public water systems according to the criteria in R18-4-803.

"Monitoring assistance program" means the program established by A.R.S. § 49-360 to assist public water systems with mandatory monitoring for contaminants and administered by the Department under 18 A.A.C. 4.

"Operational assistance" means professional or financial assistance provided to a public water system to improve the technical, managerial, or financial operations of the public water system.

"Protected water source" means a groundwater source that:

* Meets the requirements of A.A.C. R18-5-502(D);

* Is not located within 100 feet of a drywell as defined by A.R.S. § 49-331(3), and

* Is not located within 100 feet of a condition that can constitute an environmental nuisance as described in A.R.S. § 49-141(A).

"Reduced pressure principle backflow-prevention assembly" means a backflow-prevention assembly that contains two independently acting check valves; a hydraulically operating, mechanically independent pressure differential relief valve located between the two check valves; tightly closing, resilient seated shut-off valves on each end of the check valve assembly; and properly located resilient seated test cocks.

"Service connection" means a location at the meter or, in the absence of a meter, at the curbstop or building inlet.

"Service line" means the water line that runs from the corporation stop at a water main to the building inlet, including any pigtail, gooseneck, or fitting.

"State" means the Arizona Department of Environmental Quality, except during any time period during which the Department does not have primary enforcement responsibility pursuant to Section 1413 of the Act, the term "State" means the Regional Administrator of EPA Region 9.

"System evaluation assistance" means assistance provided to assess the status of the public water system's technical, managerial, and financial components, with emphasis on infrastructure status.

"Technical assistance" means operational assistance, system evaluation assistance, or both.

"Treatment" means a process that changes the quality of water by physical, chemical, or biological means.

"Treatment technique" means a treatment procedure promulgated by EPA in lieu of an MCL.

"Variance" means relief from a maximum contaminant level or treatment technique granted by the Department to a public water system when characteristics of a system's raw water source preclude the system from complying with maximum contaminant levels prescribed by drinking water regulations, despite application of best technology, treatment techniques, or other means available to the system.

"Water main" means a pipe that is exterior to buildings and is used to distribute drinking water to more than one property.

"Water Infrastructure Finance Authority" means the entity created under A.R.S. § 49-1201 et seq. to provide financial assistance to political subdivisions, Indian tribes, and eligible drinking water facilities for constructing, acquiring, or improving wastewater treatment facilities, drinking water facilities, nonpoint source projects, and other related water quality facilities and projects.

"Water treatment plant" means a process, device, or structure used to improve the physical, chemical, or biological quality of the water in a public water system. A booster chlorination facility that is designed to maintain an effective disinfectant residual in water in the distribution system is not a water treatment plant.

C.40 CFR 141.4, entitled "variances and exemptions," is incorporated by reference subject to the following modifications:

1. The phrase "entity with primary enforcement responsibility" is changed to "Department."

2. When reviewing and acting on requests for variances and exemptions, the Department shall act in accordance with the procedures at 42 U.S.C. 300g-4 and 300g - 5(2004) of the Act (Public Health Service Act §§ 1415 and 1416), including:

a. The Department shall require a public water system granted a variance under subsection (C) to comply with the requirements in a compliance schedule as expeditiously as practicable.

b. The Department shall promptly notify EPA of all variances and exemptions granted by the Department in the manner specified in the Act.

c. The Department shall enforce a schedule or other requirement on which a variance or exemption is conditioned under 42 U.S.C. 300g-3 and A.R.S. § 49-354, as if the schedule or other requirement is part of a national primary drinking water regulation incorporated by reference in this Chapter.

d. "Treatment technique requirement," for the purpose of subsection (C), means a requirement in a national primary drinking water regulation which specifies for a contaminant, in accordance with 42 U.S.C. 300 f(1)(C)(ii), each treatment technique known to lead to a reduction in the level of the contaminant sufficient to satisfy the requirements of 42 U.S.C. 300g - 1(b).

e. If the Department grants a variance or exemption, the Department shall prescribe:

i. A compliance schedule that includes increments of progress or measures to develop an alternative source of water supply; and

ii. An implementation schedule that includes such control measures as the Department deems necessary for each contaminant.

D.40 CFR 142, 142.2, 142.20, and Subparts E, F, G, and K, are incorporated by reference as of the date specified in R18-4-102, with the following changes; this incorporation does not include any later amendments or editions. The following substitutions are to be applied in the listed order.

1.40 CFR 142.46, 142.302, 142.313 are not incorporated by reference.

2.40 CFR 142.20(a), (b). The phrase "States with primary enforcement responsibility" is changed to "the Department"; the second sentences in 142.20(a) and 142.20(b) are deleted.

3.40 CFR 142.60(b), 142.61(b). The phrase "Administrator in a state that does not have primary enforcement responsibility or a state with primary enforcement responsibility (primacy state) that issues variances" is changed to "Department."

4.

40 CFR 142.40(a), (b); 142.41; 142.50(a); 142.51. The phrase "a State that does not have primary enforcement responsibility" is changed to "Arizona".

5.40 CFR 142.60(b), (c), (d); 142.61(b), (c). The phrase "Administrator or [`primacy' or `primary'] state that issues variances" is changed to "Department."

6.40 CFR 142.60(b), (d); 142.61(b), (d); 142.62(e), (g)(1); 142.65(a)(4). The phrase "Administrator or [the] primacy state" is changed to "Department"; the phrase "Administrator's or primacy state's" is changed to "Department's."

7. In 40 CFR 142, Subpart K:

a. The phrases "[`a' or `the'] State or [the] Administrator," "Administrator or State," "the public water system, State and the Administrator," and "a State exercising primary enforcement responsibility for public water systems (or the Administrator for other systems)" are changed to "the Department."

b.40 CFR 142.301. The last sentence is deleted.

c.40 CFR 142.303(b). The phrase "a State exercising primary enforcement responsibility for public water systems" is changed to "the Department."

d.40 CFR 142.306(b)(2). The phrase "(or by the Administrator in States which do not have primary enforcement responsibility)" is deleted.

e.40 CFR 142.308(a), 142.309(c). The phrase "the State, Administrator, or [the] public water system as directed by the State or Administrator" is changed to "the Department or the public water system, as determined by the Department."

f.40 CFR 142.308(b). The text of this subsection is replaced by the following: "At the time of proposal, the Department must publish a notice in the Arizona Administrative Register or a newspaper or newspapers of wide circulation in the affected region of the State. This notice shall include the information listed in paragraph (c) of this section."

g.40 CFR 142.308(c)(7). The phrase "the primacy agency" is changed to "the Department."

8. In all parts of 40 CFR 142 incorporated by reference other than Subpart K, the term "Administrator" is changed to "Department"; the pronoun "he" is changed to "the Department"; and the pronoun "his" is changed to "the Department's."

9. In all parts of 40 CFR 142 incorporated by reference, the term "a state" or "the state" is changed to "the Department"; the term "the State's" is changed to "the Department's."

10.40 CFR 142.62(h)(3). The term "State-approved" is changed to "Department-approved."

11. In 40 CFR 142.44(b). The text of this subsection is replaced by the following: "Public notice of an opportunity for hearing on a variance schedule shall be circulated in a manner designed to inform interested and potentially interested persons of the proposed schedule, and shall meet the notice requirements of A.A.C. R18-1-401."

12. In 40 CFR 142.54(b). The text of this subsection is replaced by the following: "Public notice of an opportunity for hearing on an exemption schedule shall be circulated in a manner designed to inform interested and potentially interested persons of the proposed schedule, and shall meet the notice requirements of A.A.C. R18-1-401."

13.40 CFR 142.44(d), 142.54(d). The third, fourth, and fifth sentences of these subsections are deleted.

14.40 CFR 142.44(e), 142.54(e). The text of these subsections is replaced by the following: "A hearing convened pursuant to paragraph (d) of this section shall be conducted according to the procedural requirements of A.A.C. R18-1-402."

E.40 CFR 141.5 is not incorporated by reference.

Ariz. Admin. Code § R18-4-103

Former Section R9-20-505 repealed, new Section R9-20-505 adopted effective November 1, 1979 (Supp. 79-6). Former Section R9-20-505 amended, renumbered as Section R9-20-503, then renumbered as Section R18-4-103 effective October 23, 1987 (Supp. 87-4). R18-4-103 recodified to R18-5-103 (Supp. 95-2). New Section adopted effective April 28, 1995 (Supp. 95-2). Amended effective June 3, 1998 (Supp. 98-3). Amended by final rulemaking at 8 A.A.R. 973, effective February 19, 2002 (Supp. 02-1). Amended by final rulemaking at 8 A.A.R. 3046, effective May 1, 2002 (Supp. 02-3). Section R18-4-103repealed; new Section made by final rulemaking at 14 A.A.R. 2978, effective August 30, 2008 (Supp. 08-3). Amended by final rulemaking at 22 A.A.R. 379, effective 4/2/2016.