| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Oct 25, 2022 |
Public Notice Rule and Revised PN Rule |
| Oct 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Oct 25, 2022 |
Public Notice Rule and Revised PN Rule |
| Oct 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Oct 25, 2022 |
Public Notice Rule and Revised PN Rule |
| Oct 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Oct 25, 2022 |
Public Notice Rule and Revised PN Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
— |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
— |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
— |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
— |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2020 |
Dec 31, 2020 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2020 |
Surface Water Treatment Rule |
| Dec 1, 2020 |
Dec 31, 2020 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2020 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2020 |
Dec 31, 2020 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2020 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2020 |
Dec 31, 2020 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2020 |
Surface Water Treatment Rule |
| Mar 20, 2020 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jul 21, 2021 |
Ground Water Rule |
| Mar 20, 2020 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jul 21, 2021 |
Ground Water Rule |
| Mar 20, 2020 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jul 21, 2021 |
Ground Water Rule |
| Mar 20, 2020 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jul 21, 2021 |
Ground Water Rule |
| May 1, 2019 |
May 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
May 31, 2019 |
Surface Water Treatment Rule |
| May 1, 2019 |
May 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
May 31, 2019 |
Surface Water Treatment Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Chlorine |
MR |
No |
No |
— |
4.0 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
Chlorine |
MR |
No |
No |
— |
4.0 mg/L |
— |
Resolved |
Jun 30, 2019 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 13, 2018 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
May 30, 2018 |
Public Notice Rule and Revised PN Rule |
| Apr 13, 2018 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
May 30, 2018 |
Public Notice Rule and Revised PN Rule |
| Apr 13, 2018 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
May 30, 2018 |
Public Notice Rule and Revised PN Rule |
| Apr 13, 2018 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
May 30, 2018 |
Public Notice Rule and Revised PN Rule |