WILLIAMSBURG PUBLIC WATER SUPPLY
Iowa - Community Water System - PWSID: IA4884023
System Information
| PWSID | IA4884023 |
| System Name | WILLIAMSBURG PUBLIC WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | WILLIAMSBURG |
| ZIP Code | 52361 |
| Address | ATTN PUBLIC WORKS DIR |
| Organization | WILLIAMSBURG PUBLIC WATER SUPPLY |
| Phone | 319-330-8638 |
Population & Service
| Population Served | 3,345 |
| Service Connections | 1,332 |
Drinking Water Violations (78)
This water system has 78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 21, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 26, 2025 | - | |
| Dec 21, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 26, 2025 | - | |
| Dec 21, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 26, 2025 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | No | - | TT | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2017 | Jun 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jul 1, 2017 | Jun 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jul 1, 2017 | Jun 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jul 1, 2017 | Jun 30, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Feb 1, 2017 | Feb 28, 2017 | MR | No | Yes | - | 1 mg/L | - | Resolved | Feb 28, 2017 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2013 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 1.48 MG/L | 1 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 1.48 MG/L | 1 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 1.48 MG/L | 1 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 1.48 MG/L | 1 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | 1.48 MG/L | 1 mg/L | - | Resolved | Jun 30, 2012 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| May 1, 2001 | May 31, 2001 | MR | No | Yes | - | 1 mg/L | - | Resolved | May 31, 2001 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | 1.34 | 1 mg/L | - | Resolved | May 31, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | 1.34 | 1 mg/L | - | Resolved | May 31, 1998 | - | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | 1.34 | 1 mg/L | - | Resolved | May 31, 1998 | - |
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.