POCAHONTAS
Illinois — Community Water System — PWSID: IL0050200
System Information
| PWSID | IL0050200 |
| System Name | POCAHONTAS |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| 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 | AVISTON |
| ZIP Code | 62216 |
| Address | CERTOP INC |
| Organization | HORSTMANN, CHRISTOPHER L. |
| Phone | 618-973-0633 |
Population & Service
| Population Served | 697 |
| Service Connections | 367 |
Drinking Water Violations (23)
This water system has 23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 22, 2025 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2025 | — | |
| Jul 1, 2025 | — | Other | No | No | — | — | — | Resolved | Aug 12, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Unaddressed | — | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 30, 2024 | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Jul 30, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 10, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 10, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 10, 2018 | — | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 10, 2018 | — | |
| Jun 30, 1977 | Jun 29, 1981 | MR | No | No | — | 15 pCi/L | — | Archived | Jun 29, 1981 | — |
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.