BCWSA MAIN LOWER SOUTH
Pennsylvania - Community Water System - PWSID: PA1090079
System Information
| PWSID | PA1090079 |
| System Name | BCWSA MAIN LOWER SOUTH |
| 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 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Pennsylvania |
| City | WARRINGTON |
| ZIP Code | 18976 |
| Address | 1275 ALMSHOUSE RD |
| Organization | BCWSA MAIN LOWER SOUTH |
| Phone | 215-343-2538 |
Population & Service
| Population Served | 52,621 |
| Service Connections | 15,800 |
Drinking Water Violations (218)
This water system has 218 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MCL | Yes | No | - | - | - | Resolved | Sep 30, 2025 | - | |
| Sep 22, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Sep 22, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Sep 22, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 13, 2023 | - | TT | Yes | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 12, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 12, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Aug 12, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| May 11, 2022 | - | Other | No | No | - | - | - | Resolved | May 11, 2022 | - | |
| May 11, 2022 | - | Other | No | No | - | - | - | Resolved | May 11, 2022 | - | |
| May 11, 2022 | - | Other | No | No | - | - | - | Resolved | May 11, 2022 | - | |
| May 11, 2022 | - | Other | No | No | - | - | - | Resolved | May 11, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .065 MG/L | 0.060 mg/L | - | Resolved | Jun 30, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .061 MG/L | 0.060 mg/L | - | Resolved | Mar 31, 2022 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Nov 10, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 25, 2018 | - | |
| Aug 10, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2018 | - | |
| Aug 10, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2018 | - | |
| Aug 10, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2018 | - | |
| Aug 10, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2018 | - |
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.