| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.165 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.165 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.165 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
.174 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
.174 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
.174 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
.174 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
.174 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 6, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Mar 6, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jan 9, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jan 9, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.176 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.176 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.176 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.176 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.176 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.178 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.178 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.178 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.178 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.178 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 12, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Sep 12, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 15, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jun 15, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Jun 15, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| May 7, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| May 7, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| May 7, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.183 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 9, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Mar 9, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Mar 9, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Addressed |
— |
Public Notice Rule and Revised PN Rule |
| Feb 8, 2024 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Addressed |
— |
Ground Water Rule |
| Feb 8, 2024 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Addressed |
— |
Ground Water Rule |
| Feb 8, 2024 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Addressed |
— |
Ground Water Rule |
| Feb 8, 2024 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Addressed |
— |
Ground Water Rule |
| Feb 8, 2024 |
— |
Groundwater Rule |
TT |
Yes |
No |
— |
— |
— |
Addressed |
— |
Ground Water Rule |