| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 9, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2023 |
— |
TTHM |
MR |
No |
No |
— |
0.080 mg/L |
— |
Resolved |
Jul 9, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.085 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 |
.085 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 |
.085 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 |
.085 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 |
.085 MG/L |
0.080 mg/L |
.08 |
Resolved |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.086 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.094 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.094 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.094 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.094 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.094 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.091 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.091 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.091 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.091 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.091 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2020 |
Jun 30, 2020 |
TTHM |
MCL |
Yes |
No |
.085 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 |
.085 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 |
.085 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 |
.085 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 |
.085 MG/L |
0.080 mg/L |
.08 |
Resolved |
Jun 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
TTHM |
MCL |
Yes |
No |
.082 MG/L |
0.080 mg/L |
.08 |
Resolved |
Mar 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
TTHM |
MCL |
Yes |
No |
.081 MG/L |
0.080 mg/L |
.08 |
Resolved |
Dec 31, 2019 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2019 |
Sep 30, 2019 |
TTHM |
MCL |
Yes |
No |
.094 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 |
.094 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 |
.094 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 |
.094 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 |
.094 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 |
.096 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 |
.096 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 |
| 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 |