| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MCL |
Yes |
No |
.104 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 |
.093 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 |
.093 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 |
.093 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
TTHM |
MCL |
Yes |
No |
.101 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 |
.101 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 |
.101 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 |
.101 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 |
.101 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| May 8, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jul 29, 2024 |
Public Notice Rule and Revised PN Rule |
| May 8, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jul 29, 2024 |
Public Notice Rule and Revised PN Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.211 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.082 MG/L |
0.060 mg/L |
.06 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.082 MG/L |
0.060 mg/L |
.06 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.082 MG/L |
0.060 mg/L |
.06 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.082 MG/L |
0.060 mg/L |
.06 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.082 MG/L |
0.060 mg/L |
.06 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2024 |
Jun 30, 2024 |
TTHM |
MCL |
Yes |
No |
.211 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 |
.211 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 |
.211 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 |
.211 MG/L |
0.080 mg/L |
.08 |
Archived |
Jun 30, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jul 29, 2024 |
Public Notice Rule and Revised PN Rule |
| Feb 1, 2024 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Jul 29, 2024 |
Public Notice Rule and Revised PN Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.089 MG/L |
0.060 mg/L |
.06 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.089 MG/L |
0.060 mg/L |
.06 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.089 MG/L |
0.060 mg/L |
.06 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.089 MG/L |
0.060 mg/L |
.06 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.089 MG/L |
0.060 mg/L |
.06 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2024 |
Mar 31, 2024 |
TTHM |
MCL |
Yes |
No |
.23 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 |
.23 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 |
.23 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 |
.23 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 |
.23 MG/L |
0.080 mg/L |
.08 |
Archived |
Mar 31, 2024 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.233 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 |
.233 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.233 MG/L |
0.080 mg/L |
.08 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.088 MG/L |
0.060 mg/L |
.06 |
Archived |
Dec 31, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 |
Dec 31, 2023 |
TTHM |
MCL |
Yes |
No |
.233 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 |
.233 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 |
.233 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 |
.257 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
.06 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
.06 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
TTHM |
MCL |
Yes |
No |
.257 MG/L |
0.080 mg/L |
.08 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Sep 30, 2023 |
Total Haloacetic Acids (HAA5) |
MCL |
Yes |
No |
.063 MG/L |
0.060 mg/L |
.06 |
Archived |
Sep 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |