Gibraltar High School
PWSID: WI4151199
This system has no unresolved violations. The most recent violation on record was 1993-07-01.
This system has more violations on record than 57% of water systems in Wisconsin.
System Details
| Population Served | 628 |
| Service Connections | 1 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | Local Government |
| Status | Active |
| City | Fish Creek |
| EPA ZIP on File | 54212 |
| Note | School or Daycare |
Areas Served
- Fish Creek, Door County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0200 mg/L | 0.015 mg/L | Exceeds Action Level |
| Lead (90th percentile) | 0.0139 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0133 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0128 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0088 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0069 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0053 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0032 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
Violation History (1 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 5000 | MR | 1993-07-01 | Returned to Compliance |
Understanding This Water System's Record
Gibraltar High School is a non-transient non-community water system that draws from groundwater sources and serves a population of 628 in Fish Creek, Wisconsin. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.
What Do These Violations Mean?
Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.
What Should You Do?
Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.