ONEIDA
Illinois - Community Water System - PWSID: IL0950400
System Information
| PWSID | IL0950400 |
| System Name | ONEIDA |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | ONEIDA |
| ZIP Code | 61467 |
| Address | P.O. BOX 7 |
| Organization | LAWSON, LARRY D. |
| Phone | 309-368-0009 |
Population & Service
| Population Served | 644 |
| Service Connections | 280 |
Drinking Water Violations (46)
This water system has 46 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, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 10, 2024 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jun 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2014 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2009 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2009 | - | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 1999 | - | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 1999 | - | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 1999 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| Nov 20, 1986 | Nov 19, 1990 | MCL | Yes | No | 6 | 5 pCi/L | - | Resolved | Jun 15, 1990 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1985 | Apr 30, 1988 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Resolved | Nov 14, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| May 1, 1982 | Apr 30, 1985 | MCL | Yes | No | 2.4 | 4.0 mg/L | - | Archived | Apr 30, 1985 | - | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | - | 15 pCi/L | - | Archived | Jun 29, 1981 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.