JOHNSON OIL CO
Illinois - Transient Non-Community - PWSID: IL3010330
System Information
| PWSID | IL3010330 |
| System Name | JOHNSON OIL CO |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 18, 1981 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | ROCK FALLS |
| ZIP Code | 61701 |
| Address | 1305 12TH AVENUE |
| Organization | JOHNSON, ARTHUR |
| Phone | 815-625-6380 |
Population & Service
| Population Served | 100 |
| Service Connections | 1 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1996 | - | |
| Apr 1, 1991 | Jun 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1991 | - | |
| Apr 1, 1991 | Jun 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1991 | - | |
| Oct 1, 1987 | Dec 31, 1987 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1987 | - | |
| Oct 1, 1986 | Dec 31, 1986 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1986 | - | |
| Oct 1, 1985 | Dec 31, 1985 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1985 | - | |
| Apr 1, 1984 | Jun 30, 1984 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1984 | - | |
| Oct 1, 1982 | Dec 31, 1982 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1982 | - | |
| Jul 1, 1982 | Sep 30, 1982 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1982 | - | |
| - | - | - | 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.