| Apr 1, 2025 |
Jun 30, 2025 |
Chlorine |
MR |
No |
Yes |
— |
4.0 mg/L |
— |
Archived |
Jun 30, 2025 |
Stage 1 Disinfectants and Disinfection Byproducts Rule |
| May 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Mar 5, 2022 |
Public Notice Rule and Revised PN Rule |
| May 25, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Mar 5, 2022 |
Public Notice Rule and Revised PN Rule |
| May 4, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Mar 5, 2022 |
Public Notice Rule and Revised PN Rule |
| May 4, 2022 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Mar 5, 2022 |
Public Notice Rule and Revised PN Rule |
| Nov 28, 2021 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Nov 28, 2021 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Nov 28, 2021 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Nov 28, 2021 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Oct 1, 2021 |
Dec 31, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Dec 31, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Gross Alpha, Excl. Radon and U |
MCL |
Yes |
No |
16 PCI/L |
15 pCi/L |
15 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| Jul 1, 2021 |
Sep 30, 2021 |
Combined Radium (-226 and -228) |
MCL |
Yes |
No |
6 PCI/L |
5 pCi/L |
5 |
Resolved |
Sep 30, 2021 |
Radionuclides and Revised Rad Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2002 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2002 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| May 16, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| Mar 9, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| Mar 9, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Nov 23, 2020 |
Public Notice Rule and Revised PN Rule |
| Jan 12, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Jan 12, 2020 |
— |
Public Notice |
Other |
No |
No |
— |
— |
— |
Resolved |
Feb 8, 2022 |
Public Notice Rule and Revised PN Rule |
| Sep 29, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jan 3, 2020 |
Lead and Copper Rule |
| Sep 29, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jan 3, 2020 |
Lead and Copper Rule |
| Jul 1, 2019 |
Dec 31, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Dec 31, 2019 |
Lead and Copper Rule |
| Jul 1, 2019 |
Dec 31, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Dec 31, 2019 |
Lead and Copper Rule |
| Jul 1, 2019 |
Dec 31, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Dec 31, 2019 |
Lead and Copper Rule |
| Jul 1, 2019 |
Dec 31, 2019 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Dec 31, 2019 |
Lead and Copper Rule |
| Apr 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jan 3, 2020 |
Lead and Copper Rule |
| Apr 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jan 3, 2020 |
Lead and Copper Rule |
| Jan 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jul 26, 2019 |
Lead and Copper Rule |
| Jan 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jul 26, 2019 |
Lead and Copper Rule |
| Jan 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jul 26, 2019 |
Lead and Copper Rule |
| Jan 1, 2019 |
— |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Jul 26, 2019 |
Lead and Copper Rule |
| Jul 1, 2018 |
Dec 31, 2018 |
Lead and Copper Rule |
MR |
No |
No |
— |
TT |
— |
Resolved |
Dec 31, 2018 |
Lead and Copper Rule |