BLACKHAWK LAKE OFFICE & NATURE CENTER
Wisconsin — Transient Non-Community — PWSID: WI1250317
System Information
| PWSID | WI1250317 |
| System Name | BLACKHAWK LAKE OFFICE & NATURE CENTER |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 15, 1992 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | HIGHLAND |
| ZIP Code | 53543 |
| Address | 2025 CTH BH |
| Organization | COBB HIGHLAND RECREATION COMM |
| Phone | — |
Population & Service
| Population Served | 160 |
| Service Connections | 1 |
Drinking Water Violations (11)
This water system has 11 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, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — |
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.