| Apr 11, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 4, 2025 |
Public Notice Rule and Revised PN Rule |
| Apr 11, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 4, 2025 |
Public Notice Rule and Revised PN Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Jul 31, 2023 |
Surface Water Treatment Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Dec 31, 2023 |
Selenium |
MR |
No |
Yes |
— |
0.05 mg/L |
— |
Resolved |
Dec 31, 2023 |
Inorganic Chemicals |
| Jan 1, 2023 |
Dec 31, 2023 |
Selenium |
MR |
No |
Yes |
— |
0.05 mg/L |
— |
Resolved |
Dec 31, 2023 |
Inorganic Chemicals |
| Jan 1, 2021 |
Dec 31, 2021 |
Arsenic |
MR |
No |
Yes |
— |
0.010 mg/L |
— |
Archived |
Dec 31, 2021 |
Arsenic Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.074 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.074 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.074 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.074 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.074 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.075 MG/L |
0.060 mg/L |
— |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.066 MG/L |
0.060 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2014 |
Dec 31, 2014 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2014 |
Dec 31, 2014 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Dec 31, 2014 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2014 |
Dec 31, 2014 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Radionuclides and Revised Rad Rule |
| Jan 1, 2014 |
Dec 31, 2014 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |
| Jan 1, 2014 |
Dec 31, 2014 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |
| Jan 1, 2014 |
Dec 31, 2014 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |
| Jan 1, 2014 |
Dec 31, 2014 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |
| Jan 1, 2014 |
Dec 31, 2014 |
2,3,7,8-TCDD |
MR |
No |
Yes |
— |
0.00000003 mg/L |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |
| Jan 1, 2014 |
Dec 31, 2014 |
Di(2-ethylhexyl) adipate |
MR |
No |
Yes |
— |
0.4 mg/L |
— |
Resolved |
Dec 31, 2014 |
Synthetic Organic Chemicals |