INN AT LITTLE SISTER HILL
Wisconsin — Transient Non-Community — PWSID: WI4150152
System Information
| PWSID | WI4150152 |
| System Name | INN AT LITTLE SISTER HILL |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1986 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | Sister Bay |
| ZIP Code | 54234 |
| Address | 2715 LITTLE SISTER HILL RD |
| Organization | BITTORF, WINDY |
| Phone | — |
Population & Service
| Population Served | 60 |
| Service Connections | 2 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Jul 1, 2007 | Sep 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2007 | — | |
| Apr 1, 2003 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | — | |
| Jan 1, 2003 | Mar 31, 2003 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | — | |
| Oct 1, 2002 | Dec 31, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2002 | — | |
| Jul 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 | — | |
| Jan 1, 2002 | Sep 30, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2002 | — | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1996 | Sep 30, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1996 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1994 | — |
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.