COLLOMSVILLE MUTUAL WATERWORKS
Pennsylvania - Community Water System - PWSID: PA4410179
System Information
| PWSID | PA4410179 |
| System Name | COLLOMSVILLE MUTUAL WATERWORKS |
| 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 | WILLIAMSPORT |
| ZIP Code | 17702 |
| Address | 342 WELLS RD |
| Organization | COLLOMSVILLE MUTUAL WATERWORKS |
| Phone | 570-745-7354 |
Population & Service
| Population Served | 250 |
| Service Connections | 87 |
Drinking Water Violations (1,139)
This water system has 1,139 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, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 30 ug/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 30 ug/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | May 13, 2025 | - | |
| May 11, 2024 | - | Other | No | No | - | - | - | Resolved | May 5, 2025 | - | |
| May 11, 2024 | - | Other | No | No | - | - | - | Resolved | May 5, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 16, 2025 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 13, 2025 | - | |
| Jun 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2023 | - | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2023 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Jan 11, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Oct 11, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - | |
| Oct 11, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2024 | - |
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.