HAPPY HOLLOW PARK
Wisconsin — Transient Non-Community — PWSID: WI1540137
System Information
| PWSID | WI1540137 |
| System Name | HAPPY HOLLOW PARK |
| 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 | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | Janesville |
| ZIP Code | 53545-8844 |
| Address | JOHN TRAYNOR, PARKS MGR |
| Organization | ROCK CO PARKS |
| Phone | — |
Population & Service
| Population Served | 50 |
| Service Connections | 1 |
Drinking Water Violations (22)
This water system has 22 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, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | — | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | — | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | — | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | — | |
| Mar 1, 2005 | Mar 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2005 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.