| Sep 1, 2025 |
Sep 30, 2025 |
Revised Total Coliform Rule |
MON |
No |
Yes |
— |
— |
— |
Archived |
Sep 30, 2025 |
Revised Total Coliform Rule |
| Jan 1, 2025 |
Dec 31, 2025 |
TTHM |
MR |
No |
Yes |
— |
0.080 mg/L |
— |
Unaddressed |
— |
Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Nov 1, 2004 |
Nov 30, 2004 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Archived |
Nov 30, 2004 |
Surface Water Treatment Rule |
| Sep 1, 2004 |
Sep 30, 2004 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Archived |
Sep 30, 2004 |
Surface Water Treatment Rule |
| Apr 1, 2004 |
Apr 30, 2004 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Archived |
Apr 30, 2004 |
Surface Water Treatment Rule |
| Feb 1, 2004 |
Feb 29, 2004 |
Surface Water Treatment Rule |
MR |
No |
Yes |
— |
— |
— |
Archived |
Feb 29, 2004 |
Surface Water Treatment Rule |
| Jun 1, 2000 |
Jun 30, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jun 30, 2000 |
Surface Water Treatment Rule |
| May 1, 2000 |
May 31, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
May 31, 2000 |
Surface Water Treatment Rule |
| Apr 1, 2000 |
Apr 30, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Apr 30, 2000 |
Surface Water Treatment Rule |
| Mar 1, 2000 |
Mar 31, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Mar 31, 2000 |
Surface Water Treatment Rule |
| Feb 1, 2000 |
Feb 29, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Feb 29, 2000 |
Surface Water Treatment Rule |
| Jan 1, 2000 |
Jan 31, 2000 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jan 31, 2000 |
Surface Water Treatment Rule |
| Dec 1, 1999 |
Dec 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Dec 31, 1999 |
Surface Water Treatment Rule |
| Nov 1, 1999 |
Nov 30, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Nov 30, 1999 |
Surface Water Treatment Rule |
| Oct 1, 1999 |
Oct 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Oct 31, 1999 |
Surface Water Treatment Rule |
| Sep 1, 1999 |
Sep 30, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Sep 30, 1999 |
Surface Water Treatment Rule |
| Aug 1, 1999 |
Aug 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Aug 31, 1999 |
Surface Water Treatment Rule |
| Jul 1, 1999 |
Jul 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jul 31, 1999 |
Surface Water Treatment Rule |
| Jun 1, 1999 |
Jun 30, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jun 30, 1999 |
Surface Water Treatment Rule |
| May 1, 1999 |
May 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
May 31, 1999 |
Surface Water Treatment Rule |
| Apr 1, 1999 |
Apr 30, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Apr 30, 1999 |
Surface Water Treatment Rule |
| Mar 1, 1999 |
Mar 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Mar 31, 1999 |
Surface Water Treatment Rule |
| Feb 1, 1999 |
Feb 28, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Feb 28, 1999 |
Surface Water Treatment Rule |
| Jan 1, 1999 |
Jan 31, 1999 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jan 31, 1999 |
Surface Water Treatment Rule |
| Dec 1, 1998 |
Dec 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Dec 31, 1998 |
Surface Water Treatment Rule |
| Nov 1, 1998 |
Nov 30, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Nov 30, 1998 |
Surface Water Treatment Rule |
| Oct 1, 1998 |
Oct 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Oct 31, 1998 |
Surface Water Treatment Rule |
| Sep 1, 1998 |
Sep 30, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Sep 30, 1998 |
Surface Water Treatment Rule |
| Aug 1, 1998 |
Aug 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Aug 31, 1998 |
Surface Water Treatment Rule |
| Jul 1, 1998 |
Jul 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jul 31, 1998 |
Surface Water Treatment Rule |
| Jun 1, 1998 |
Jun 30, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jun 30, 1998 |
Surface Water Treatment Rule |
| Apr 1, 1998 |
Apr 30, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Apr 30, 1998 |
Surface Water Treatment Rule |
| Mar 1, 1998 |
Mar 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Mar 31, 1998 |
Surface Water Treatment Rule |
| Feb 1, 1998 |
Feb 28, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Feb 28, 1998 |
Surface Water Treatment Rule |
| Jan 1, 1998 |
Jan 31, 1998 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jan 31, 1998 |
Surface Water Treatment Rule |
| Dec 1, 1997 |
Dec 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Dec 31, 1997 |
Surface Water Treatment Rule |
| Nov 1, 1997 |
Nov 30, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Nov 30, 1997 |
Surface Water Treatment Rule |
| Oct 1, 1997 |
Oct 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Oct 31, 1997 |
Surface Water Treatment Rule |
| Sep 1, 1997 |
Sep 30, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Sep 30, 1997 |
Surface Water Treatment Rule |
| Aug 1, 1997 |
Aug 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Aug 31, 1997 |
Surface Water Treatment Rule |
| Jul 1, 1997 |
Jul 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jul 31, 1997 |
Surface Water Treatment Rule |
| Jun 1, 1997 |
Jun 30, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jun 30, 1997 |
Surface Water Treatment Rule |
| May 1, 1997 |
May 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
May 31, 1997 |
Surface Water Treatment Rule |
| Apr 1, 1997 |
Apr 30, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Apr 30, 1997 |
Surface Water Treatment Rule |
| Mar 1, 1997 |
Mar 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Mar 31, 1997 |
Surface Water Treatment Rule |
| Feb 1, 1997 |
Feb 28, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Feb 28, 1997 |
Surface Water Treatment Rule |
| Jan 1, 1997 |
Jan 31, 1997 |
Surface Water Treatment Rule |
TT |
Yes |
No |
— |
— |
— |
Archived |
Jan 31, 1997 |
Surface Water Treatment Rule |
| Jan 1, 1995 |
Dec 31, 1995 |
Nitrate |
MR |
No |
Yes |
— |
10 mg/L |
— |
Resolved |
Dec 31, 1995 |
Nitrate Rule |
| Jan 1, 1993 |
Dec 31, 1995 |
Styrene |
MR |
No |
Yes |
— |
0.1 mg/L |
— |
Resolved |
Dec 31, 1995 |
Volatile Organic Chemicals |
| Jan 1, 1993 |
Dec 31, 1995 |
1,1,1-Trichloroethane |
MR |
No |
Yes |
— |
0.2 mg/L |
— |
Resolved |
Dec 31, 1995 |
Volatile Organic Chemicals |