Regulations

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…