BLUE KNOB WATER CO
Pennsylvania - Community Water System - PWSID: PA4050001
System Information
| PWSID | PA4050001 |
| System Name | BLUE KNOB WATER CO |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | CLAYSBURG |
| ZIP Code | 16625 |
| Address | PO BOX 247 |
| Organization | BLUE KNOB WATER CO |
| Phone | 814-312-8197 |
Population & Service
| Population Served | 300 |
| Service Connections | 299 |
Drinking Water Violations (50)
This water system has 50 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Mar 1, 2023 | Mar 31, 2023 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2023 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | - | - | - | Resolved | Jan 31, 2018 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MR | No | No | - | - | - | Resolved | Jan 31, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 16, 2017 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2015 | - | |
| Feb 1, 2015 | Feb 28, 2015 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 15, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 15, 2014 | - | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2014 | - | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2014 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2013 | - | |
| Feb 1, 2013 | Feb 28, 2013 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jan 1, 2005 | Jan 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2005 | - | |
| Jul 1, 2000 | Dec 13, 2000 | Other | No | Yes | - | - | - | Resolved | Dec 13, 2000 | - | |
| Jul 1, 2000 | Dec 13, 2000 | Other | No | Yes | - | - | - | Resolved | Dec 13, 2000 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Nov 30, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| Oct 1, 1997 | Oct 31, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Oct 31, 1997 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MR | No | Yes | - | 5% of samples | - | Resolved | Sep 30, 1997 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 2 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 10 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jun 24, 1985 | Jun 23, 1988 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jun 23, 1988 | - | |
| Jul 1, 1984 | Jun 30, 1988 | MR | No | Yes | - | 15 pCi/L | - | Archived | Jun 30, 1988 | - |
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.