| Sep 1, 2025 |
Sep 30, 2025 |
Chlorite |
MR |
No |
No |
— |
1.0 mg/L |
— |
Resolved |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2025 |
Sep 30, 2025 |
Chlorite |
MR |
No |
No |
— |
1.0 mg/L |
— |
Resolved |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2025 |
Sep 30, 2025 |
Chlorite |
MR |
No |
No |
— |
1.0 mg/L |
— |
Resolved |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2025 |
Aug 31, 2025 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2025 |
Aug 31, 2025 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2025 |
Aug 31, 2025 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Jul 31, 2024 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2023 |
Nov 30, 2023 |
Chlorite |
MCL |
Yes |
No |
1.08 MG/L |
1.0 mg/L |
— |
Resolved |
Nov 30, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2023 |
Nov 30, 2023 |
Chlorite |
MCL |
Yes |
No |
1.08 MG/L |
1.0 mg/L |
— |
Resolved |
Nov 30, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2023 |
Nov 30, 2023 |
Chlorite |
MCL |
Yes |
No |
1.08 MG/L |
1.0 mg/L |
— |
Resolved |
Nov 30, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2023 |
Nov 30, 2023 |
Chlorite |
MCL |
Yes |
No |
1.08 MG/L |
1.0 mg/L |
— |
Resolved |
Nov 30, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Oct 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Sep 4, 2024 |
Public Notice Rule and Revised PN Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2023 |
Aug 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Aug 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 11, 2023 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Dec 9, 2025 |
Public Notice Rule and Revised PN Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2023 |
Jul 31, 2023 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Jul 31, 2023 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2023 |
Jun 30, 2023 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2023 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |