| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Sep 30, 2025 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Feb 28, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Feb 28, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Chlorine dioxide |
MR |
No |
Yes |
— |
0.8 mg/L |
— |
Resolved |
Feb 28, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Interim Enhanced Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Feb 28, 2025 |
Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Interim Enhanced Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Feb 28, 2025 |
Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Interim Enhanced Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Feb 28, 2025 |
Interim and Long Term 1 Enhanced Surface Water Treatment Rule |
| Jul 1, 2021 |
Jul 31, 2021 |
Chlorite |
MCL |
Yes |
No |
1.2 MG/L |
1.0 mg/L |
1 |
Resolved |
Jul 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 |
Jul 31, 2021 |
Chlorite |
MCL |
Yes |
No |
1.2 MG/L |
1.0 mg/L |
1 |
Resolved |
Jul 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 |
Jul 31, 2021 |
Chlorite |
MCL |
Yes |
No |
1.2 MG/L |
1.0 mg/L |
1 |
Resolved |
Jul 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2021 |
Jul 31, 2021 |
Chlorite |
MCL |
Yes |
No |
1.2 MG/L |
1.0 mg/L |
1 |
Resolved |
Jul 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.96 RATIO |
TT |
1 |
Resolved |
Jun 30, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.96 RATIO |
TT |
1 |
Resolved |
Jun 30, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.96 RATIO |
TT |
1 |
Resolved |
Jun 30, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2021 |
Jun 30, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.96 RATIO |
TT |
1 |
Resolved |
Jun 30, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.95 RATIO |
TT |
1 |
Resolved |
Mar 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.95 RATIO |
TT |
1 |
Resolved |
Mar 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.95 RATIO |
TT |
1 |
Resolved |
Mar 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 |
Mar 31, 2021 |
CARBON, TOTAL |
TT |
Yes |
No |
.95 RATIO |
TT |
1 |
Resolved |
Mar 31, 2021 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2007 |
Dec 31, 2007 |
Arsenic |
MR |
No |
Yes |
— |
0.010 mg/L |
— |
Resolved |
Dec 31, 2007 |
Arsenic Rule |
| Jan 1, 2007 |
Dec 31, 2007 |
Arsenic |
MR |
No |
Yes |
— |
0.010 mg/L |
— |
Resolved |
Dec 31, 2007 |
Arsenic Rule |
| Jan 1, 2007 |
Dec 31, 2007 |
Arsenic |
MR |
No |
Yes |
— |
0.010 mg/L |
— |
Resolved |
Dec 31, 2007 |
Arsenic Rule |
| Jul 1, 2005 |
Sep 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Sep 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 |
Sep 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Sep 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 |
Sep 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Sep 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 |
Sep 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Sep 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 |
Sep 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Sep 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 |
Jun 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Jun 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 |
Jun 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Jun 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 |
Jun 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Jun 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 |
Jun 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Jun 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 |
Jun 30, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Jun 30, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorine dioxide |
MRDL |
Yes |
No |
— |
0.8 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorine dioxide |
MRDL |
Yes |
No |
— |
0.8 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorine dioxide |
MRDL |
Yes |
No |
— |
0.8 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorine dioxide |
MRDL |
Yes |
No |
— |
0.8 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 5, 2005 |
Feb 6, 2005 |
Chlorite |
MR |
No |
Yes |
— |
1.0 mg/L |
— |
Resolved |
Feb 6, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 |
Mar 31, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Mar 31, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 |
Mar 31, 2005 |
CARBON, TOTAL |
TT |
Yes |
No |
— |
TT |
— |
Resolved |
Mar 31, 2005 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |