| Jul 1, 2025 |
Sep 30, 2025 |
Chlorine |
MR |
No |
No |
— |
4.0 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
Chlorine |
MR |
No |
No |
— |
4.0 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.095 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.095 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.095 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.095 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Unaddressed |
— |
Lead and Copper Rule |
| Jan 1, 2025 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Unaddressed |
— |
Lead and Copper Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.095 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 19, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 19, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 11, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 13, 2024 |
Public Notice Rule and Revised PN Rule |
| Feb 11, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 13, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 10, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 23, 2023 |
Public Notice Rule and Revised PN Rule |
| Oct 1, 2022 |
Dec 31, 2022 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 |
Dec 31, 2022 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 |
Dec 31, 2022 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.105 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Gross Alpha, Excl. Radon and U |
MR |
No |
Yes |
— |
15 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Radium (-226 and -228) |
MR |
No |
Yes |
— |
5 pCi/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2008 |
Sep 30, 2008 |
Combined Uranium |
MR |
No |
Yes |
— |
30 ug/L |
— |
Resolved |
Sep 30, 2008 |
Radionuclides and Revised Rad Rule |