Guam Administrative Code

§ 6141.83. Source Water Treatment Requirements. The provisions of 40 Code of Federal Regulations § 141.83, as revised and codified as of July 1, 2019, are hereby adopted by reference. D IV . 2 W ATER C ONTROL C H . 6 - D RINKING W ATER R EGULATIONS 21

§ 6141.84. Lead Service Line Replacement Requirements. The provisions of 40 Code of Federal Regulations § 141.84, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.85. Public Education and Supplemental Monitoring Requirements. The provisions of 40 Code of Federal Regulations § 141.85, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.851. General. The provisions of 40 Code of Federal Regulations § 141.851, as revised and codified as of July 1, 2019, are hereby adopted by reference. D IV . 2 W ATER C ONTROL C H . 6 - D RINKING W ATER R EGULATIONS 50

§ 6141.852. Analytical Methods and Laboratory Certification. The provisions of 40 Code of Federal Regulations § 141.852, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.853. General Monitoring requirements for All Public Water Systems. The provisions of 40 Code of Federal Regulations § 141.853, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.854. Routine Monitoring Requirements for Non- community Water Systems Serving 1,000 or Fewer People Using Only Ground Water. The provisions of 40 Code of Federal Regulations § 141.854, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.855. Routine Monitoring Requirements for Community Water Systems Serving 1,000 or Fewer People Using Only Ground Water. The provisions of 40 Code of Federal Regulations § 141.855, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.856. Routine Monitoring Requirements for Subpart H Public Water Systems Serving 1,000 or Fewer People. The provisions of 40 Code of Federal Regulations § 141.856, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.857. Routine Monitoring Requirements for Public Water Systems Serving More Than 1,000 People. The provisions of 40 Code of Federal Regulations § 141.857, as revised and codified as of July 1, 2019, are hereby adopted by reference. D IV . 2 W ATER C ONTROL C H . 6 - D RINKI…

§ 6141.858. Repeat Monitoring and E. Coli Requirements. The provisions of 40 Code of Federal Regulations § 141.858, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.859. Coliform Treatment Technique Triggers and Assessment Requirements for Protection Against Potential Fecal Contamination. The provisions of 40 Code of Federal Regulations § 141.859, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.86. Monitoring Requirements for Lead and Copper in Tap Water. The provisions of 40 Code of Federal Regulations § 141.86, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.860. Violations. The provisions of 40 Code of Federal Regulations § 141.860, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.861. Reporting and Recordkeeping. The provisions of 40 Code of Federal Regulations § 141.861, as revised and codified as of July 1, 2019, are hereby adopted by reference. P ART 6142 G UAM P RIMARY D RINKING W ATER R EGULATIONS I MPLEMENTATION Subpart A [Reserved] Subpart B…

§ 6141.862 - § 6141.870. [Reserved].

§ 6141.87. Monitoring Requirements for Water Quality Parameters. The provisions of 40 Code of Federal Regulations § 141.87, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.88. Monitoring Requirements for Lead and Copper in Source Water. The provisions of 40 Code of Federal Regulations § 141.88, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.89. Analytical Methods. The provisions of 40 Code of Federal Regulations § 141.89, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.90. Reporting Requirements. The provisions of 40 Code of Federal Regulations § 141.90, as revised and codified as of July 1, 2019, are hereby adopted by reference. D IV . 2 W ATER C ONTROL C H . 6 - D RINKING W ATER R EGULATIONS 22

§ 6141.91. Recordkeeping Requirements. The provisions of 40 Code of Federal Regulations § 141.91, as revised and codified as of July 1, 2019, are hereby adopted by reference. S UBPART J U SE OF N ON -C ENTRALIZED T REATMENT D EVICES 2023 NOTE : Sections 6141.102 to 6141.109 are r…

§ 6141.92 - § 6141.99. [Reserved].

§ 6142.16. Sanitary Surveys. (a) The provisions of 40 Code of Federal Regulations § 142.16(b)(3)(i) (sanitary survey) for surface water systems, including GWUDISW systems, as revised and codified as of July 1, 2019, are hereby adopted by reference. (b) The provisions of 40 Code o…

§6143.1. Purpose. The provisions of 40 Code of Federal Regulations § 143.1, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6143.2. Definitions. The provisions of 40 Code of Federal Regulations § 143.2, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6143.3. Secondary Maximum Contaminant Levels. The provisions of 40 Code of Federal Regulations § 143.3, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6143.4. Monitoring. The provisions of 40 Code of Federal Regulations § 143.4, as revised and codified as of July 1, 2019, are hereby adopted by reference. ----------

§7101. Authority. Section 45106 of Chapter 45, Title 10, of the Guam Code Annotated authorizes and directs the Guam Environmental Protection Agency to promulgate rules and regulations necessary to implement the provisions of the Water Resources Conservation Act. APPENDIX A - CH. …

§7102. Purpose. The purpose of these regulations is to protect the beneficial use of the Territory's underground and surface water resources in the interest of the people of Guam and for the public welfare by prescribing rules and procedures governing the development and operatio…

§7103. Definitions. (a) Abandoned Well means a well whose use has been permanently terminated and no future use is anticipated. (b) Administrator means the Administrator of the Guam Environmental Protection Agency or his duly authorized representative. (c) Agency means the Guam E…

§7104. Well Drillers License. (a) Any person who is engaged or intends to engage in the drilling of wells is required to apply for a driller's license. Such licenses are required not only of those who make a regular business of well drilling, but all who may construct wells for t…

§7105. Well Drilling Permits. (a) No well may be drilled unless the Owner of the land on which the well is to be drilled shall, before the commencement of drilling, have obtained a permit therefor and filed a preliminary report to the Administrator. A well drilling permit applica…

§7106. Well Operating Permits. (a) No well shall be placed into operation until a well operating permit has been obtained by the owner. (Permits for injection wells are covered in §7111). (b) An application to operate each new well shall be made within ninety (90) days after the …

§7107. Action on Application. (a) The Administrator may require the applicant to furnish additional information, plans or specifications before acting on an application for license or permit. (b) The Administrator shall review and act on any permit application and licenses within…

§7108. Revoking of Licenses and Permits. (a) A well drilling permit shall expire, if the construction, repair, alteration, rehabilitation or extension is not completed within one (1) year of the date of issuance, unless the applicant secures an extension of the expiration date. (…

§7109. Transfer and Renewal of Licenses or Permits. (a) A well driller's license, well drilling permit or well operating permit issued pursuant to these regulations shall not, under an; circumstances, be transferred from one location to another, or from one person to another, wit…

§7110. Posting of Permits, Falsifying or altering Permits or Licenses. (a) Upon granting an approval for a well drill permit, the Administrator shall issue to the applicant a certificate, referred to as a well drilling permit, which shall be posted in a conspicuous place specifie…

§7111. Injection Wells. (a) The construction of injection wells and their operation shall be accordance with the regulations establish by the Guam Environmental Protection Agency entitled “Underground Injection Control (UIC) Regulations”, a copy of which can be obtained from the …

§7112. Well Location. (a) The minimum horizontal distance from a public water well to potential sources of bacterial contamination** shall conform to the following minimum distances: MINIMUM DISTANCE FROM WELL TO SOURCES OF BACTERIAL CONTAMINATION FORMATION MINIMUM ACCEPTABLE DIS…

§7113. Sealing the Annular Space. (a) General requirements . The space between the well casino and the wall of the drilled hole (the annular space) shall be effectively sealed to protect against contamination or pollution by surface and/or shallow, subsurface waters. The minimum …

§7114. Surface Construction Features. (a) Openings. Openings designed to provide access into well casinos for making measurements, adding, gravel, etc., shall be protected against entrance of surface waters or foreign matters by installation of water tight caps or plugs, concrete…

§7115. Well Casing. (a) Whenever there is a reasonable basis to expect that any well subject to these regulations could result in wastage or contamination of water resources, which could be prevented through any one of the following construction techniques, the Administrator shal…

§7116. Sealing-Off Strata. (a) In areas of Southern Guam where a well penetrates more than one aquifer and any of the aquifers contain water of a quality such that, if allowed to mix in sufficient quantity will result in a significant deterioration of the quality of water produce…

§7117. Disinfection and Other Sanitary Requirements. (a) All newly constructed wells or existing wells subjected to any repair work shall be disinfected before being placed in service. A chlorine solution of approximately 100 mg/l of available chlorine in the well water is normal…

§7118. Well Development. (a) Developing, redeveloping, or conditioning of a well shall be done with care and by methods which will not cause damage to the well or its casing or cause adverse sub-surface conditions that may destroy barriers to the vertical movement of water betwee…

§7119. Water Quality Sampling Provisions. (a) Except where there is free discharge from the pump (that is, except where there is no direct connection to the water delivery system), a sample tap shall be provided on the discharge line downstream (system side) of the check valve an…

§7120. Large Diameter Shallow Wells. (a) The use of APPENDIX A - CH. 7 - WATER RESOURCE DEVELOPMENT & OPERATING REGS. - 1997 - P. 42 bored or dug wells, or wells less than fifty (50) feet deep to provide cubic water supply shall be avoided unless there is not other feasible means…