| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.085 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2024 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Feb 11, 2025 |
Lead and Copper Rule |
| Dec 30, 2024 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Feb 11, 2025 |
Lead and Copper Rule |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
RPT |
No |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
RPT |
No |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
RPT |
No |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
RPT |
No |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Jun 4, 2025 |
Lead and Copper Rule Revisions |
| Jun 5, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 28, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 5, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 28, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 5, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 28, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 5, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 28, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.09 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.09 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.09 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.09 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Mar 30, 2021 |
Lead and Copper Rule |
| Jan 1, 2021 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Mar 30, 2021 |
Lead and Copper Rule |
| Jan 1, 2021 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Mar 30, 2021 |
Lead and Copper Rule |
| Jan 1, 2021 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Mar 30, 2021 |
Lead and Copper Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
.083 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2020 |
Jun 30, 2020 |
TTHM |
MCL |
Yes |
No |
.089 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2020 |
Jun 30, 2020 |
TTHM |
MCL |
Yes |
No |
.089 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2020 |
Jun 30, 2020 |
TTHM |
MCL |
Yes |
No |
.089 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2020 |
Jun 30, 2020 |
TTHM |
MCL |
Yes |
No |
.089 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 |
Sep 30, 2018 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 |
Sep 30, 2018 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 |
Sep 30, 2018 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 |
Sep 30, 2018 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 |
Sep 30, 2018 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
.114 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 28, 2018 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
May 10, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 28, 2018 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
May 10, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 28, 2018 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
May 10, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 28, 2018 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
May 10, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |