Guam Administrative Code

§ 6141.52. Maximum Contaminant Level Goals for Microbiological Contaminants. The provisions of 40 Code of Federal Regulations § 141.52, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.520. Is my system subject to the updated watershed control requirements? The provisions of 40 Code of Federal Regulations § 141.520, 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 EGULATION…

§ 6141.521. What updated watershed control requirements must my unfiltered system implement to continue to avoid filtration? The provisions of 40 Code of Federal Regulations § 141.521, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.522. How does the State determine whether my system ’ s watershed control requirements are adequate? The provisions of 40 Code of Federal Regulations § 141.522, as revised and codified as of July 1, 2019, are hereby adopted by reference. ADDENDUM 3 DISINFECTION PROFILE

§ 6141.523 - § 6141.529. [Reserved]. D IV . 2 W ATER C ONTROL C H . 6 - D RINKING W ATER R EGULATIONS 33 ADDENDUM 3 DISINFECTION PROFILE

§ 6141.53. Maximum Contaminant Level Goals for Disinfection Byproducts. The provisions of 40 Code of Federal Regulations § 141.53, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.530. What is a disinfection profile and who must develop one? The provisions of 40 Code of Federal Regulations § 141.530, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.531. What criteria must a state use to determine that a profile is unnecessary? The provisions of 40 Code of Federal Regulations § 141.531, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.532. How does my system develop a disinfection profile and when must it begin? The provisions of 40 Code of Federal Regulations § 141.532, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.533. What data must my system collect to calculate a disinfection profile? The provisions of 40 Code of Federal Regulations § 141.533, 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 EGULATI…

§ 6141.534. How does my system use this data to calculate an inactivation ratio? The provisions of 40 Code of Federal Regulations § 141.534, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.535. What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection? The provisions of 40 Code of Federal Regulations § 141.535, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.536. My system has developed an inactivation ratio; what must we do now? The provisions of 40 Code of Federal Regulations § 141.536, as revised and codified as of July 1, 2019, are hereby adopted by reference. ADDENDUM 4 DISINFECTION BENCHMARK

§ 6141.537 - § 6141.539. [Reserved]. ADDENDUM 4 DISINFECTION BENCHMARK

§ 6141.54. Maximum Residual Disinfectant Level Goals for Disinfectants. The provisions of 40 Code of Federal Regulations § 141.54, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.540. Who has to develop disinfection benchmark? The provisions of 40 Code of Federal Regulations § 141.540, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.541. What are significant changes to disinfection practice? The provisions of 40 Code of Federal Regulations § 141.541, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.542. What must my system do if we are considering a significant change to disinfection practices? The provisions of 40 Code of Federal Regulations § 141.542, 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 R…

§ 6141.543. How is the disinfection benchmark calculated? The provisions of 40 Code of Federal Regulations § 141.543, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.544. What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection? The provisions of 40 Code of Federal Regulations § 141.544, as revised and codified as of July 1, 2019, are hereby adopted by reference. ADDENDUM 5 COMBINED FILTER EFFLUENT REQUIR…

§ 6141.545 - § 6141.549. [Reserved]. ADDENDUM 5 COMBINED FILTER EFFLUENT REQUIREMENTS

§ 6141.55. Maximum Contaminant Level Goals for Radionuclides. The provisions of 40 Code of Federal Regulations § 141.55, as revised and codified as of July 1, 2019, are hereby adopted by reference. S UBPART G N ATIONAL R EVISED P RIMARY D RINKING W ATER R EGULATIONS : M AXIMUM C …

§ 6141.550. Is my system required to meet Subpart T combined filter effluent turbidity limits? The provisions of 40 Code of Federal Regulations § 141.550, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.551. What strengthened combined filter effluent turbidity limits must my system meet? The provisions of 40 Code of Federal Regulations § 141.551, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.552. My system consists of “ alternative filtration ” and is required to conduct a demonstration — what is required of my system and how does the State establish my turbidity limits? The provisions of 40 Code of Federal Regulations § 141.552, as revised and codified as of …

§ 6141.553. My system practices lime softening — is there any special provision regarding my combined filter effluent? The provisions of 40 Code of Federal Regulations § 141.553, as revised and codified as of July 1, 2019, are hereby adopted by reference. ADDENDUM 6 INDIVIDUAL FI…

§ 6141.554 - § 6141.559. [Reserved]. ADDENDUM 6 INDIVIDUAL FILTER TURBIDITY REQUIREMENTS

§ 6141.56 - § 6141.59. [Reserved].

§ 6141.560. Is my system subject to individual filter turbidity requirement? The provisions of 40 Code of Federal Regulations § 141.560, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.561. What happens if my system ’ s turbidity monitoring equipment fails? The provisions of 40 Code of Federal Regulations § 141.561, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.562. My system only has two or fewer filters — is there any special provision regarding individual filter turbidity monitoring? The provisions of 40 Code of Federal Regulations § 141.562, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.563. What follow-up action is my system required to take based on continuous turbidity monitoring? The provisions of 40 Code of Federal Regulations § 141.563, 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 …

§ 6141.564. My system practices lime softening — is there any special provisions regarding my individual filter turbidity monitoring? The provisions of 40 Code of Federal Regulations § 141.564, as revised and codified as of July 1, 2019, are hereby adopted by reference. ADDENDUM …

§ 6141.565 - § 6141.569. [Reserved]. ADDENDUM 7 REPORTING AND RECORDKEEPING

§ 6141.570. What does subpart T require that my system report to the State? The provisions of 40 Code of Federal Regulations § 141.570, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.571. What records does subpart T require my system to keep? The provisions of 40 Code of Federal Regulations § 141.571, as revised and codified as of July 1, 2019, are hereby adopted by reference. S UBPART U I NITIAL D ISTRIBUTION S YSTEM E VALUATIONS 2023 NOTE : Sections …

§ 6141.572 - § 6141.599. [Reserved].

§ 6141.6. Effective Dates. The provisions of 40 Code of Federal Regulations § 141.6, as revised and codified as of July 1, 2019, are hereby adopted by reference. S UBPART B M AXIMUM C ONTAMINANT L EVELS 2023 NOTE : Sections 6141.14 to 6141.20 are reserved pursuant to P.L. 35-115:…

§ 6141.60. Effective Dates. The provisions of 40 Code of Federal Regulations § 141.60, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.600. General Requirements. The provisions of 40 Code of Federal Regulations § 141.600, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.601. Standard Monitoring. The provisions of 40 Code of Federal Regulations § 141.601, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.602. System Specific Studies. The provisions of 40 Code of Federal Regulations § 141.602, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.603. 40/30 Certification. The provisions of 40 Code of Federal Regulations § 141.603, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.604. Very Small System Waivers. The provisions of 40 Code of Federal Regulations § 141.604, as revised and codified as of July 1, 2019, are hereby adopted by reference.

§ 6141.605. Subpart V Compliance Monitoring Location Recommendations. The provisions of 40 Code of Federal Regulations § 141.605, as revised and codified as of July 1, 2019, are hereby adopted by reference. S UBPART V S TAGE 2 D ISINFECTION B YPRODUCTS R EQUIREMENTS 2023 NOTE: Se…

§ 6141.606 - § 6141.619. [Reserved]. D IV . 2 W ATER C ONTROL C H . 6 - D RINKING W ATER R EGULATIONS 41

§ 6141.61. Maximum Contaminant Levels for Organic Contaminants. The provisions of 40 Code of Federal Regulations § 141.61, as revised and codified as of July 1, 2019 are hereby adopted by reference.