| Jul 1, 2025 |
Sep 30, 2025 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
17 PCI/L |
15 pCi/L |
15 |
Archived |
Sep 30, 2025 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
17 PCI/L |
15 pCi/L |
15 |
Archived |
Sep 30, 2025 |
Radionuclides and Revised Rad Rule |
| Jan 1, 2024 |
Dec 31, 2024 |
CYANIDE |
MR |
No |
Yes |
— |
0.2 mg/L |
— |
Resolved |
Dec 31, 2024 |
Inorganic Chemicals |
| Jan 1, 2024 |
Dec 31, 2024 |
CYANIDE |
MR |
No |
Yes |
— |
0.2 mg/L |
— |
Resolved |
Dec 31, 2024 |
Inorganic Chemicals |
| 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 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Dec 31, 2023 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 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, 2019 |
Dec 31, 2019 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Oct 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Oct 15, 2019 |
Surface Water Treatment Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Oct 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Oct 15, 2019 |
Surface Water Treatment Rule |
| Oct 1, 2019 |
Oct 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Oct 15, 2019 |
Surface Water Treatment Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Radium-228 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Oct 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Oct 15, 2019 |
Surface Water Treatment Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Nov 5, 2019 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
TTHM |
MCL |
Yes |
No |
.087 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
TTHM |
MCL |
Yes |
No |
.087 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
TTHM |
MCL |
Yes |
No |
.087 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
TTHM |
MCL |
Yes |
No |
.087 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
TTHM |
MCL |
Yes |
No |
.084 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
TTHM |
MCL |
Yes |
No |
.084 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
TTHM |
MCL |
Yes |
No |
.084 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2019 |
Jun 30, 2019 |
TTHM |
MCL |
Yes |
No |
.084 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Jun 30, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
May 14, 2019 |
Lead and Copper Rule |
| Jan 1, 2019 |
Jun 30, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
May 14, 2019 |
Lead and Copper Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MCL |
Yes |
No |
.092 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MCL |
Yes |
No |
.092 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MCL |
Yes |
No |
.092 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 |
Mar 31, 2019 |
TTHM |
MCL |
Yes |
No |
.092 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2018 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Aug 1, 2019 |
Lead and Copper Rule |
| Dec 30, 2018 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Aug 1, 2019 |
Lead and Copper Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Radium-226 |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2018 |
Dec 31, 2018 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Nov 19, 2018 |
Radionuclides and Revised Rad Rule |