FIELDS HILL IMPROVEMENT ASSOCIATION
Illinois — Community Water System — PWSID: IL0995150
System Information
| PWSID | IL0995150 |
| System Name | FIELDS HILL IMPROVEMENT ASSOCIATION |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1981 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | OTTAWA |
| ZIP Code | 61350 |
| Address | 2033 CATON ROAD |
| Organization | GUERRINI, TIMOTHY, J |
| Phone | 815-433-3578 |
Population & Service
| Population Served | 312 |
| Service Connections | 104 |
Drinking Water Violations (246)
This water system has 246 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 24, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Dec 24, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Dec 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2025 | — | |
| Dec 1, 2025 | Dec 31, 2025 | MON | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Nov 28, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Nov 28, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Archived | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Nov 30, 2025 | — | |
| Oct 23, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | Yes | — | — | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | Yes | — | — | — | Archived | Oct 31, 2025 | — | |
| Oct 1, 2025 | Oct 31, 2025 | MON | No | Yes | — | — | — | Archived | Oct 31, 2025 | — | |
| Sep 26, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | — | — | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | — | — | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | — | — | — | Archived | Sep 30, 2025 | — | |
| Aug 30, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Aug 30, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Aug 22, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Aug 20, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | — | — | — | Archived | Aug 31, 2025 | — | |
| Jul 31, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jul 31, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Archived | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | — | — | — | Archived | Jul 31, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | — | — | — | Archived | Jul 31, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | — | — | — | Archived | Jul 31, 2025 | — | |
| Jun 7, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jun 7, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | — | — | — | Archived | Jun 30, 2025 | — |
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.