| Jan 1, 2025 |
Mar 31, 2025 |
TTHM |
MCL |
Yes |
No |
.083 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 |
.083 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Nov 28, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 10, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 17, 2024 |
— |
LEAD AND COPPER RULE REVISIONS |
TT |
Yes |
No |
— |
— |
— |
Unaddressed |
— |
Lead and Copper Rule Revisions |
| Oct 1, 2024 |
Dec 31, 2024 |
TTHM |
MCL |
Yes |
No |
.082 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 |
.082 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 |
.09 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 |
.09 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 |
.09 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Aug 17, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 10, 2024 |
Public Notice Rule and Revised PN Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.098 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 |
.098 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 |
.098 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 13, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 10, 2024 |
Public Notice Rule and Revised PN Rule |
| Apr 13, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jun 10, 2024 |
Public Notice Rule and Revised PN Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.098 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
TTHM |
MCL |
Yes |
No |
.102 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
TTHM |
MCL |
Yes |
No |
.1 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 21, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 12, 2023 |
Public Notice Rule and Revised PN Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.102 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.102 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.102 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
TTHM |
MCL |
Yes |
No |
.099 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.104 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MCL |
Yes |
No |
.104 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.101 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.101 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 |
Mar 31, 2023 |
TTHM |
MCL |
Yes |
No |
.101 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 |
Dec 31, 2022 |
TTHM |
MCL |
Yes |
No |
.103 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2022 |
Dec 31, 2022 |
TTHM |
MCL |
Yes |
No |
.103 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.116 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.107 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.107 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
TTHM |
MCL |
Yes |
No |
.116 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Jun 30, 2022 |
TTHM |
MCL |
Yes |
No |
.111 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 28, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 11, 2022 |
Public Notice Rule and Revised PN Rule |
| Jan 1, 2022 |
Mar 31, 2022 |
TTHM |
MCL |
Yes |
No |
.119 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2022 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.13 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.13 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.13 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.13 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.108 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.108 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
TTHM |
MCL |
Yes |
No |
.108 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
TTHM |
MCL |
Yes |
No |
.138 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
TTHM |
MCL |
Yes |
No |
.138 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
TTHM |
MCL |
Yes |
No |
.14 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 28, 2021 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
May 19, 2021 |
Public Notice Rule and Revised PN Rule |