RED OAK WATER SUPPLY
Iowa — Community Water System — PWSID: IA6950075
System Information
| PWSID | IA6950075 |
| System Name | RED OAK 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 | RED OAK |
| ZIP Code | 51566 |
| Address | ATTN BOYD ROLAND WATER SUPERINTENDENT |
| Organization | RED OAK WATER SUPPLY |
| Phone | 712-623-6526 |
Population & Service
| Population Served | 5,596 |
| Service Connections | 2,702 |
Drinking Water Violations (369)
This water system has 369 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 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 | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2018 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2018 | Jun 30, 2024 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2024 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jul 1, 2014 | Jul 31, 2014 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2009 | Dec 31, 2014 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2014 | — |
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.