WILLIAMSPORT MUN WATER AUTH
Pennsylvania — Community Water System — PWSID: PA4410173
System Information
| PWSID | PA4410173 |
| System Name | WILLIAMSPORT MUN WATER AUTH |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | WILLIAMSPORT |
| ZIP Code | 17701 |
| Address | 253 W 4TH ST |
| Organization | WILLIAMSPORT MUN WATER AUTH |
| Phone | 570-323-6140 |
Population & Service
| Population Served | 51,000 |
| Service Connections | 18,558 |
Drinking Water Violations (73)
This water system has 73 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jul 1, 1985 | Sep 30, 1985 | MCL | Yes | No | 7.74 | 0.080 mg/L | .1 | Archived | Sep 30, 1985 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 0.05 mg/L | — | Archived | Jun 24, 1985 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 2 mg/L | — | Archived | Jun 24, 1985 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 24, 1985 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 24, 1985 | — | |
| Jun 25, 1984 | Jun 24, 1985 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Jun 24, 1985 | — | |
| Jun 25, 1983 | Jun 24, 1984 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 24, 1984 | — | |
| Jun 24, 1982 | Jun 23, 1985 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Jun 23, 1985 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.