| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
89 UG/L |
0.080 mg/L |
80 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2025 |
Jun 30, 2025 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2025 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 3, 2025 |
Public Notice Rule and Revised PN Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Jun 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Jun 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Jun 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Jun 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
TTHM |
MCL |
Yes |
No |
90 UG/L |
0.080 mg/L |
80 |
Resolved |
Mar 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
84 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
84 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
84 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
84 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
84 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Dec 31, 2020 |
TTHM |
MCL |
Yes |
No |
85 UG/L |
0.080 mg/L |
80 |
Resolved |
Dec 31, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
81 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 |
Sep 30, 2020 |
TTHM |
MCL |
Yes |
No |
82 UG/L |
0.080 mg/L |
80 |
Resolved |
Sep 30, 2020 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
87 UG/L |
0.080 mg/L |
80 |
Archived |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
87 UG/L |
0.080 mg/L |
80 |
Archived |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2018 |
Jun 30, 2018 |
TTHM |
MCL |
Yes |
No |
87 UG/L |
0.080 mg/L |
80 |
Archived |
Jun 30, 2018 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 |
Dec 31, 2017 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2017 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 |
Dec 31, 2017 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2017 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 |
Dec 31, 2017 |
TTHM |
MCL |
Yes |
No |
91 UG/L |
0.080 mg/L |
80 |
Archived |
Dec 31, 2017 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |