| Sep 1, 2025 |
Sep 30, 2025 |
Revised Total Coliform Rule |
MON |
No |
Yes |
— |
— |
— |
Archived |
Sep 30, 2025 |
Revised Total Coliform Rule |
| Sep 1, 2025 |
Sep 30, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Archived |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2022 |
Sep 30, 2022 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Sep 30, 2022 |
Surface Water Treatment Rule |
| Jul 1, 2022 |
Sep 30, 2022 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2022 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2022 |
Apr 30, 2022 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Apr 30, 2022 |
Surface Water Treatment Rule |
| Oct 1, 2020 |
Sep 30, 2021 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Sep 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 |
Sep 30, 2021 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Sep 30, 2021 |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Mar 31, 2020 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Feb 1, 2020 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 |
Jan 31, 2020 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Jan 31, 2020 |
Surface Water Treatment Rule |
| Dec 1, 2019 |
Dec 31, 2019 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Dec 31, 2019 |
Surface Water Treatment Rule |
| Oct 1, 2019 |
Dec 31, 2019 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2019 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 |
Dec 31, 2017 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Nov 1, 2017 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 |
Oct 31, 2017 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Oct 31, 2017 |
Surface Water Treatment Rule |
| Sep 1, 2017 |
Sep 30, 2017 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Sep 30, 2017 |
Surface Water Treatment Rule |
| Jul 1, 2016 |
Jul 31, 2016 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Jul 31, 2016 |
Surface Water Treatment Rule |
| Apr 1, 2011 |
Jun 30, 2011 |
Total Haloacetic Acids (HAA5) |
MR |
No |
Yes |
— |
0.060 mg/L |
— |
Resolved |
Jun 30, 2011 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2011 |
Jun 30, 2011 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Resolved |
Jun 30, 2011 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2011 |
Mar 31, 2011 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Mar 31, 2011 |
Total Coliform Rule |
| Feb 1, 2011 |
Feb 28, 2011 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Feb 28, 2011 |
Total Coliform Rule |
| Jul 1, 2010 |
Jul 31, 2010 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Jul 31, 2010 |
Total Coliform Rule |
| Jul 1, 2010 |
Sep 30, 2010 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2010 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2010 |
Jul 31, 2010 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Jul 31, 2010 |
Surface Water Treatment Rule |
| Mar 1, 2010 |
Mar 31, 2010 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Mar 31, 2010 |
Surface Water Treatment Rule |
| Mar 1, 2010 |
Mar 31, 2010 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Mar 31, 2010 |
Surface Water Treatment Rule |
| Jan 1, 2010 |
Mar 31, 2010 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Mar 31, 2010 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 |
Jan 31, 2010 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Jan 31, 2010 |
Surface Water Treatment Rule |
| Jan 1, 2010 |
Jan 31, 2010 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Jan 31, 2010 |
Surface Water Treatment Rule |
| Jan 1, 2010 |
Mar 31, 2010 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Mar 31, 2010 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 |
Jul 31, 2009 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Jul 31, 2009 |
Surface Water Treatment Rule |
| Jul 1, 2009 |
Sep 30, 2009 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2009 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2009 |
Jul 31, 2009 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Jul 31, 2009 |
Surface Water Treatment Rule |
| Jul 1, 2009 |
Sep 30, 2009 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2009 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2009 |
Apr 30, 2009 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Apr 30, 2009 |
Surface Water Treatment Rule |
| Apr 1, 2009 |
Apr 30, 2009 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Apr 30, 2009 |
Surface Water Treatment Rule |
| Jan 1, 2009 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Nov 26, 2010 |
Lead and Copper Rule |
| Jan 1, 2009 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Nov 26, 2010 |
Lead and Copper Rule |
| Dec 1, 2008 |
Dec 31, 2008 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Dec 31, 2008 |
Total Coliform Rule |
| Jun 1, 2008 |
Jun 30, 2008 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Jun 30, 2008 |
Total Coliform Rule |
| Apr 1, 2008 |
Apr 30, 2008 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Resolved |
Apr 30, 2008 |
Surface Water Treatment Rule |
| Dec 1, 2007 |
Dec 31, 2007 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Dec 31, 2007 |
Total Coliform Rule |
| Dec 1, 2007 |
Dec 31, 2007 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Dec 31, 2007 |
Surface Water Treatment Rule |
| Oct 1, 2007 |
Oct 31, 2007 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Oct 31, 2007 |
Surface Water Treatment Rule |
| Oct 1, 2007 |
Oct 31, 2007 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Oct 31, 2007 |
Total Coliform Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 |
Dec 31, 2007 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2007 |
Sep 30, 2007 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Sep 30, 2007 |
Surface Water Treatment Rule |
| Aug 1, 2007 |
Aug 31, 2007 |
Surface Water Treatment Rule |
MR |
No |
No |
— |
— |
— |
Resolved |
Aug 31, 2007 |
Surface Water Treatment Rule |
| Jul 1, 2007 |
Sep 30, 2007 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2007 |
Sep 30, 2007 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2007 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2007 |
Jul 31, 2007 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Archived |
Jul 31, 2007 |
Total Coliform Rule |