ONAWA KOA
Iowa — Transient Non-Community — PWSID: IA6739434
System Information
| PWSID | IA6739434 |
| System Name | ONAWA KOA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | ONAWA |
| ZIP Code | 51040 |
| Address | ATTN KELLY AND ANGELA LYONS |
| Organization | JAKL LLC |
| Phone | 712-420-0960 |
Population & Service
| Population Served | 250 |
| Service Connections | 100 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2024 | — | TT | Yes | No | — | — | — | Resolved | Aug 22, 2024 | — | |
| Apr 1, 2024 | — | TT | Yes | No | — | — | — | Resolved | Aug 22, 2024 | — | |
| Apr 1, 2024 | — | TT | Yes | No | — | — | — | Resolved | Aug 22, 2024 | — | |
| Apr 1, 2024 | — | TT | Yes | No | — | — | — | Resolved | Aug 22, 2024 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | — | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | — | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | — | |
| Jul 1, 2010 | Jul 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jun 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2001 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
| Jul 1, 1988 | Jun 30, 1991 | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1991 | — | |
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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.