RIDGELAND
Wisconsin — Community Water System — PWSID: 055295704
System Information
| PWSID | 055295704 |
| System Name | RIDGELAND |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 9, 1983 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Wisconsin |
| City | ONEIDA |
| ZIP Code | 54155 |
| Address | P.O. Box 365 |
| Organization | HILL, TEHASSI |
| Phone | 920-869-4420 |
Population & Service
| Population Served | 691 |
| Service Connections | 35 |
Drinking Water Violations (10)
This water system has 10 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 1, 2016 | Aug 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2016 | Revised Total Coliform Rule |
| Jan 1, 1996 | Dec 31, 1996 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Dec 31, 1996 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Dec 31, 1996 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Dec 31, 1996 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Dec 31, 1996 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Dec 31, 1996 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 22, 1996 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 22, 1996 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 22, 1996 | Lead and Copper Rule |
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.