Mequon Colony Estates
PWSID: WI2460132
System Details
| Population Served | 75 |
| Service Connections | 34 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Mequon |
| Zip Code | 53097 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0009 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0007 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0003 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-02 | | Open |
Violation History (21 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2018-07-01 | | Returned to Compliance |
| | 2018-07-01 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2017-07-01 | | Returned to Compliance |
| | 2015-10-01 | | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 2014-07-01 | | Returned to Compliance |
| | 2013-10-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2012-10-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2011-10-01 | | Returned to Compliance |
| | 2011-07-01 | | Returned to Compliance |
| | 2004-10-01 | | Returned to Compliance |
| | 2003-10-01 | | Returned to Compliance |
| | 2002-07-01 | | Returned to Compliance |
| | 2001-07-01 | | Returned to Compliance |
| | 2000-07-01 | | Returned to Compliance |
| | 2000-01-19 | | Returned to Compliance |
| | 1999-10-19 | | Returned to Compliance |