BLACKLICK VALLEY MUNI AUTH
Pennsylvania - Community Water System - PWSID: PA4110077
System Information
| PWSID | PA4110077 |
| System Name | BLACKLICK VALLEY MUNI AUTH |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 21, 1998 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | TWIN ROCKS |
| ZIP Code | 15960 |
| Address | PO BOX 272 |
| Organization | BLACKLICK VALLEY MUNI AUTH |
| Phone | 814-749-8763 |
Population & Service
| Population Served | 1,650 |
| Service Connections | 763 |
Drinking Water Violations (180)
This water system has 180 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 11, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 16, 2026 | - | |
| Nov 11, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 16, 2026 | - | |
| Nov 11, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 16, 2026 | - | |
| Nov 11, 2025 | - | Other | No | No | - | - | - | Resolved | Jan 16, 2026 | - | |
| Oct 11, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 11, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 11, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Oct 11, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Aug 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Aug 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Aug 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Aug 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Aug 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 15, 2025 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 10, 2021 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 28, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 13, 2021 | - | |
| Oct 28, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 13, 2021 | - | |
| Oct 28, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 13, 2021 | - | |
| Oct 28, 2020 | - | Other | No | No | - | - | - | Resolved | Jan 13, 2021 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .069 MG/L | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .069 MG/L | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .069 MG/L | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | .069 MG/L | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Aug 10, 2020 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2020 | - | |
| Aug 10, 2020 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .096 MG/L | 0.060 mg/L | - | Archived | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .096 MG/L | 0.060 mg/L | - | Archived | Sep 30, 2020 | - | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | .096 MG/L | 0.060 mg/L | - | Archived | Sep 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .102 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2020 | - |
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.