| Sep 1, 2025 |
Sep 30, 2025 |
Revised Total Coliform Rule |
MON |
No |
No |
— |
— |
— |
Archived |
Sep 30, 2025 |
Revised Total Coliform Rule |
| Sep 1, 2025 |
Sep 30, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2025 |
Sep 30, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Sep 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Jul 31, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Jul 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 |
Jul 31, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Jul 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 17, 2025 |
— |
E. COLI |
MR |
No |
No |
— |
— |
— |
Resolved |
Sep 17, 2025 |
Ground Water Rule |
| Jun 17, 2025 |
— |
E. COLI |
MR |
No |
No |
— |
— |
— |
Resolved |
Sep 17, 2025 |
Ground Water Rule |
| Jun 17, 2025 |
— |
E. COLI |
MR |
No |
No |
— |
— |
— |
Resolved |
Sep 17, 2025 |
Ground Water Rule |
| May 1, 2025 |
May 31, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
May 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 1, 2025 |
May 31, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
May 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Feb 28, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2025 |
Feb 28, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Feb 28, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2025 |
Jan 31, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Jan 31, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2024 |
Dec 31, 2024 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Dec 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Oct 31, 2024 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Oct 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2024 |
Oct 31, 2024 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Resolved |
Oct 31, 2024 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2024 |
Sep 30, 2024 |
HEXACHLOROBENZENE |
MR |
No |
Yes |
— |
0.001 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
HEXACHLOROBENZENE |
MR |
No |
Yes |
— |
0.001 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Atrazine |
MR |
No |
Yes |
— |
0.003 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Benzo(a)pyrene |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Benzo(a)pyrene |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Methoxychlor |
MR |
No |
Yes |
— |
0.04 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Methoxychlor |
MR |
No |
Yes |
— |
0.04 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Hexachlorocyclopentadiene |
MR |
No |
Yes |
— |
0.05 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Hexachlorocyclopentadiene |
MR |
No |
Yes |
— |
0.05 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Heptachlor epoxide |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Di(2-ethylhexyl) adipate |
MR |
No |
Yes |
— |
0.4 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Di(2-ethylhexyl) adipate |
MR |
No |
Yes |
— |
0.4 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Endrin |
MR |
No |
Yes |
— |
0.002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Endrin |
MR |
No |
Yes |
— |
0.002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
BHC-GAMMA |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
BHC-GAMMA |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Simazine |
MR |
No |
Yes |
— |
0.004 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Simazine |
MR |
No |
Yes |
— |
0.004 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Di(2-ethylhexyl) phthalate |
MR |
No |
Yes |
— |
0.006 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Di(2-ethylhexyl) phthalate |
MR |
No |
Yes |
— |
0.006 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
LASSO |
MR |
No |
Yes |
— |
— |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Heptachlor |
MR |
No |
Yes |
— |
0.0004 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Heptachlor |
MR |
No |
Yes |
— |
0.0004 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Heptachlor epoxide |
MR |
No |
Yes |
— |
0.0002 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jul 1, 2024 |
Sep 30, 2024 |
Atrazine |
MR |
No |
Yes |
— |
0.003 mg/L |
— |
Resolved |
Sep 30, 2024 |
Synthetic Organic Chemicals |
| Jan 1, 2015 |
Mar 31, 2015 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Resolved |
Mar 31, 2015 |
Total Coliform Rule |
| Jan 1, 2015 |
Mar 31, 2015 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Resolved |
Mar 31, 2015 |
Total Coliform Rule |
| Jul 1, 2013 |
Sep 30, 2013 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Resolved |
Sep 30, 2013 |
Total Coliform Rule |
| Jul 1, 2013 |
Sep 30, 2013 |
Coliform (TCR) |
MR |
No |
No |
— |
5% of samples |
— |
Resolved |
Sep 30, 2013 |
Total Coliform Rule |
| Jan 1, 2001 |
Mar 31, 2001 |
Coliform (TCR) |
MR |
No |
Yes |
— |
5% of samples |
— |
Resolved |
Mar 31, 2001 |
Total Coliform Rule |
| Jan 1, 2001 |
Mar 31, 2001 |
Coliform (TCR) |
MR |
No |
Yes |
— |
5% of samples |
— |
Resolved |
Mar 31, 2001 |
Total Coliform Rule |
| Jan 1, 2001 |
Mar 31, 2001 |
Coliform (TCR) |
MR |
No |
Yes |
— |
5% of samples |
— |
Resolved |
Mar 31, 2001 |
Total Coliform Rule |
| Dec 24, 1983 |
Dec 23, 1986 |
Nitrate |
MR |
No |
Yes |
— |
10 mg/L |
— |
Archived |
Dec 23, 1986 |
Nitrate Rule |