Chapter 04 - Safe Drinking Water

25.0401 Definitions

The following definitions apply in this secti…

25.0402 Operation and Maintenance

A water supplier shall maintain and keep in p…

25.0403 Water Facility Design and Construction

History: Rule 1-08, eff 1 Jun 08.

25.0403.1 Minimum Design Criteria.

(1) A public water system shall be designed u…

25.0403.2 Wells.

(1) Location(a) Well sites shall be on ground…

25.0403.3 Storage Requirements.

The minimum storage capacity for a water syst…

25.0403.4 Standards for Additives, Materials, and Equipment

(1) Each product added directly to water duri…

25.0403.5 Application for Approval to Construct

(1) A person or public utility shall not star…

25.0403.6 Compliance with Approved Engineering Drawings and Specifications

All construction shall conform to approved en…

25.0403.7 Approval of Construction.

(1) A person or entity shall not operate a ne…

25.0403.8 As-Built Drawings.

(1) A registered professional engineer shall…

25.0403.9 Modification to Existing Treatment Process.

Before a public water system may make a modif…

25.0404 Certified Operators.

(1) A certified operator is a water treatment…

25.0405 Backflow Prevention.

(1) A public water system shall protect its s…

25.0406 Emergency Operations Plan.

(1) The water supplier for a public water sys…

25.0407 Unsafe Supplies.

AS-EPA may order a public water system to dis…

25.0408 Sanitary Surveys.

(1) Each public water system shall undergo a…

25.0409 Hauled Water.

(1) All hauled water for delivery to a public…

25.0410 Bottling of Water for Sale.

(1) All water that is bottled in American Sam…

25.0411 Violation – Penalty.

Any person who violates any provision of this…

25.0420.1 Authority.

This chapter establishes territorial primary…

25.0420.100 Criteria and Procedures for Public Water Systems Using Point-of-Entry Devices.

The provisions of 40 Code of Federal Regulati…

25.0420.101 Use of Bottled Water.

The provisions of 40 Code of Federal Regulati…

25.0420.11 Maximum Contaminant Levels for Inorganic Chemicals.

The provisions of 40 Code of Federal Regulati…

25.0420.110 General Requirement.

The provisions of 40 Code of Federal Regulati…

25.0420.111 Treatment Techniques for Acrylamide and Epichlorohydrin.

The provisions of 40 Code of Federal Regulati…

25.0420.12 Maximum Contaminant Levels for Total Trihalomethanes.

The provisions of 40 Code of Federal Regulati…

25.0420.13 Maximum Contaminant Levels for Turbidity.

The provisions of 40 Code of Federal Regulati…

25.0420.130 General Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.131 Analytical Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.132 Monitoring Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.133 Compliance Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.134 Reporting and Record Keeping Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.135 Treatment Technique for Control of Disinfection Byproducts (DBP) Precursors.

The provisions of 40 Code of Federal Regulati…

25.0420.15 Maximum Contaminant Levels for Radium-226, Radium-228, and Gross Alpha Particle Radioactivity in Community Water Systems.

The provisions of 40 Code of Federal Regulati…

25.0420.151 Purpose and Applicability of this Subpart.

The provisions of 40 Code of Federal Regulati…

25.0420.152 Effective Dates.

The provisions of 40 Code of Federal Regulati…

25.0420.153 Content of the Reports.

The provisions of 40 Code of Federal Regulati…

25.0420.154 Required Additional Health Information.

The provisions of 40 Code of Federal Regulati…

25.0420.155 Report Delivery and Record Keeping

The provisions of 40 Code of Federal Regulati…

25.0420.16 Maximum Contaminant Levels for Beta Particle and Photon Radioactivity from Man-made Radionuclides in Community Water Systems.

The provisions of 40 Code of Federal Regulati…

25.0420.170 General Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.171 Criteria for Avoiding Filtration.

The provisions of 40 Code of Federal Regulati…

25.0420.172 Disinfection Profiling and Benchmarking.

The provisions of 40 Code of Federal Regulati…

25.0420.173 Filtration.

The provisions of 40 Code of Federal Regulati…

25.0420.174 Filtration Sampling Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.175 Reporting and Record Keeping Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.2 Definitions.

Except as provided below, the provisions of 4…

25.0420.201 General Public Notification Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.202 Tier 1 Public Notice – Form, Manner, and Frequency of Notice.

The provisions of 40 Code of Federal Regulati…

25.0420.203 Tier 2 Public Notice – Form, Manner, and Frequency of Notice.

The provisions of 40 Code of Federal Regulati…

25.0420.204 Tier 3 Public Notice – Form, Manner, and Frequency of Notice.

The provisions of 40 Code of Federal Regulati…

25.0420.205 Content of the Public Notice.

The provisions of 40 Code of Federal Regulati…

25.0420.206 Notice to New Billing Units or New Customers.

The provisions of 40 Code of Federal Regulati…

25.0420.207 Special Notice of the Availability of Unregulated Contaminant Monitoring Results.

The provisions of 40 Code of Federal Regulati…

25.0420.208 Special Notice for Exceedance of the SMCL for Fluoride.

The provisions of 40 Code of Federal Regulati…

25.0420.209 Special Notice for Nitrate Exceedances Above MCL by Non-community Water Systems (NCWS), Where Granted Permission by the Primacy Agency Under 141.11(d).

The provisions of 40 Code of Federal Regulati…

25.0420.21 Coliform Sampling.

The provisions of 40 Code of Federal Regulati…

25.0420.210 Notice by Primacy Agency on Behalf of the Public Water System.

The provisions of 40 Code of Federal Regulati…

25.0420.22 Turbidity Sampling and Analytical Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.23 Inorganic Chemical Sampling Analytical Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.24 Organic Chemicals Sampling and Analytical Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.25 Analytical Methods for Radioactivity.

The provisions of 40 Code of Federal Regulati…

25.0420.26 Monitoring Frequency for Radioactivity in Community Water Systems.

The provisions of 40 Code of Federal Regulati…

25.0420.27 Alternate Analytical Techniques.

The provisions of 40 Code of Federal Regulati…

25.0420.28 Certified Laboratories.

The provisions of 40 Code of Federal Regulati…

25.0420.29 Monitoring of Consecutive Public Water Systems.

The provisions of 40 Code of Federal Regulati…

25.0420.3 Coverage.

These regulations shall apply to each public…

25.0420.30 Total Trihalomethanes Sampling, Analytical and Other Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.31 Reporting Requirements.

Except as expanded below, the provisions of 4…

25.0420.32 Public Notification.

Refer to sections 25.0601.201-25.0601.210 of…

25.0420.33 Record Maintenance.

The provisions of 40 Code of Federal Regulati…

25.0420.35 Reporting and Public Notification for Certain Unregulated Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.4 Variances and Exemptions.

AS-EPA removed the provisions relating to Var…

25.0420.40 Monitoring Requirements for Unregulated Contaminants.

Public water systems must comply with provisi…

25.0420.41 Special Monitoring for Sodium.

The provisions of 40 Code of Federal Regulati…

25.0420.42 Special Monitoring for Corrosivity Characteristics.

The provisions of 40 Code of Federal Regulati…

25.0420.43 Prohibition on Use of Lead Pipes, Solder, and Flux.

The provisions of 40 Code of Federal Regulati…

25.0420.5 Siting Requirements and Plan Review

The provisions of 40 Code of Federal Regulati…

25.0420.50 Maximum Contaminant Level Goals for Organic Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.501 Who is subject to the requirements of subpart T?

The provisions of 40 Code of Federal Regulati…

25.0420.502 When must my system comply with these requirements?

The provisions of 40 Code of Federal Regulati…

25.0420.503 What does subpart T require?

The provisions of 40 Code of Federal Regulati…

25.0420.51 Maximum Contaminant Level Goals for Inorganic Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.510 Is my system subject to the new finished water reservoir requirements?

The provisions of 40 Code of Federal Regulati…

25.0420.511 What is required of new finished water reservoirs?

The provisions of 40 Code of Federal Regulati…

25.0420.52 Maximum Contaminant Level Goals for Microbiological Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.520 Is my system subject to the updated watershed control requirements?

The provisions of 40 Code of Federal Regulati…

25.0420.521 What updated watershed control requirements must my unfiltered system implement to continue to avoid filtration?

The provisions of 40 Code of Federal Regulati…

25.0420.522 How does the State determine whether my system’s watershed control requirements are adequate?

The provisions of 40 Code of Federal Regulati…

25.0420.53 Maximum Contaminant Level Goals for Disinfection Byproducts.

The provisions of 40 Code of Federal Regulati…

25.0420.530 What is a disinfection profile and who must develop one?

The provisions of 40 Code of Federal Regulati…

25.0420.531 What criteria must a State use to determine that a profile is unnecessary?

The provisions of 40 Code of Federal Regulati…

25.0420.532 How does my system develop a disinfection profile and when must it begin?

The provisions of 40 Code of Federal Regulati…

25.0420.533 What data must my system collect to calculate a disinfection profile?

The provisions of 40 Code of Federal Regulati…

25.0420.534 How does my system use this data to calculate an inactivation ratio?

The provisions of 40 Code of Federal Regulati…

25.0420.535 What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?

The provisions of 40 Code of Federal Regulati…

25.0420.536 My system has developed an inactivation ratio; what must we do now?

The provisions of 40 Code of Federal Regulati…

25.0420.54 Maximum Residual Disinfectant Level Goals for Disinfectants.

The provisions of 40 Code of Federal Regulati…

25.0420.540 Who has to develop a disinfection benchmark?

The provisions of 40 Code of Federal Regulati…

25.0420.541 What are significant changes to disinfection practice?

The provisions of 40 Code of Federal Regulati…

25.0420.542 What must my system do if we are considering a significant change to disinfection practices?

The provisions of 40 Code of Federal Regulati…

25.0420.543 How is the disinfection benchmark calculated?

The provisions of 40 Code of Federal Regulati…

25.0420.544 What if my system uses chloramines, ozone, or chlorine dioxide for primary disinfection?

The provisions of 40 Code of Federal Regulati…

25.0420.550 Is my system required to meet subpart T combined filter effluent turbidity limits?

The provisions of 40 Code of Federal Regulati…

25.0420.551 What strengthened combined filter effluent turbidity limits must my system meet?

The provisions of 40 Code of Federal Regulati…

25.0420.552 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 Regulati…

25.0420.553 My system practices lime softening–is there any special provision regarding my combined filter effluent?

The provisions of 40 Code of Federal Regulati…

25.0420.560 Is my system subject to individual filter turbidity requirements?

The provisions of 40 Code of Federal Regulati…

25.0420.561 What happens if my system’s turbidity monitoring equipment fails?

The provisions of 40 Code of Federal Regulati…

25.0420.562 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 Regulati…

25.0420.563 What follow-up action is my system required to take based on continuous turbidity monitoring?

The provisions of 40 Code of Federal Regulati…

25.0420.564 My system practices lime softening–is there any special provision regarding my individual filter turbidity monitoring?

The provisions of 40 Code of Federal Regulati…

25.0420.570 What does subpart T require that my system report to the State?

The provisions of 40 Code of Federal Regulati…

25.0420.571 What records does subpart T require my system to keep?

The provisions of 40 Code of Federal Regulati…

25.0420.6 Effective Dates.

The provisions of 40 Code of Federal Regulati…

25.0420.60 Effective Dates.

The provisions of 40 Code of Federal Regulati…

25.0420.61 Maximum Contaminant Levels for Organic Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.62 Maximum Contaminant Levels for Inorganic Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.63 Maximum Contaminant Levels (MCLs) for Microbiological Contaminants.

The provisions of 40 Code of Federal Regulati…

25.0420.64 Maximum Contaminant Levels for Disinfection Byproducts.

The provisions of 40 Code of Federal Regulati…

25.0420.65 Maximum Residual Disinfectant Levels.

The provisions of 40 Code of Federal Regulati…

25.0420.70 General Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.71 Criteria for Avoiding Filtration.

The provisions of 40 Code of Federal Regulati…

25.0420.72 Disinfection.

The provisions of 40 Code of Federal Regulati…

25.0420.73 Filtration.

The provisions of 40 Code of Federal Regulati…

25.0420.74 Analytical and Monitoring Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.75 Reporting and Record Keeping Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.80 General Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.81 Applicability of Corrosion Control Treatment Steps to Small, Medium-size and Large Water Systems.

The provisions of 40 Code of Federal Regulati…

25.0420.82 Description of Corrosion Control Treatment Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.83 Source Water Treatment Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.84 Lead Service Line Replacement Requirements

The provisions of 40 Code of Federal Regulati…

25.0420.85 Public Education and Supplemental Monitoring Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.86 Monitoring Requirements for Lead and Copper in Tap Water.

The provisions of 40 Code of Federal Regulati…

25.0420.87 Monitoring Requirements for Water Quality Parameters.

The provisions of 40 Code of Federal Regulati…

25.0420.88 Monitoring Requirements for Lead and Copper in Source Water.

The provisions of 40 Code of Federal Regulati…

25.0420.89 Analytical Methods.

The provisions of 40 Code of Federal Regulati…

25.0420.90 Reporting Requirements.

The provisions of 40 Code of Federal Regulati…

25.0420.91 Record Keeping Requirements.

The provisions of 40 Code of Federal Regulati…

25.0430.1 Entry and Inspection

Whether or not AS-EPA has evidence that a pub…

25.0430.2 Appeal

Persons aggrieved by actions of the AS-EPA pu…

25.0430.3 Conflicts with Standards and Regulations.

In the event any previously adopted territori…

25.0430.4 Severability Clause

If any provision of these regulations, or its…

25.0440.1 Purpose.

The provisions 40 Code of Federal Regulations…

25.0440.2 Definitions.

The provisions 40 Code of Federal Regulations…

25.0440.3 Secondary Maximum Contaminant Levels.

The provisions 40 Code of Federal Regulations…

25.0440.4 Monitoring

(1) The parameters in these regulations shall…

25.0450.1 Suitability Determination

If any publication adopted by reference under…

25.0460.1 Establishment of fee:

(A) The AS-EPA Water Quality Laboratory shall…

25.0460.2 Public Notice of fees:

(A) When new fees are to be introduced, they…

25.0460.3 Samples accepted and charged:

(A) No samples will be accepted without prior…

25.0460.4 Payment of Lab Fees:

(A) AS-EPA’s administrative staff shall have…

25.0460.5 Creation of Lab Fee Fund Account:

(A) There shall be created within the Departm…