TWIN ROCKS WATER AUTH
Pennsylvania — Community Water System — PWSID: PA4110029
System Information
| PWSID | PA4110029 |
| System Name | TWIN ROCKS WATER AUTH |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Inactive |
| 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 | TWIN ROCKS |
| ZIP Code | 15960 |
| Address | PO BOX 272 |
| Organization | — |
| Phone | 814-749-8673 |
Population & Service
| Population Served | 720 |
| Service Connections | 240 |
Drinking Water Violations (147)
This water system has 147 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 1 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Sep 30, 1990 | — | |
| Jul 1, 1990 | Sep 30, 1990 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Sep 30, 1990 | — |
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.