LAKE HILL PARK - THAYER INC.
Indiana - Community Water System - PWSID: IN5291007
System Information
| PWSID | IN5291007 |
| System Name | LAKE HILL PARK - THAYER INC. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1981 |
| Last Reported | Feb 12, 2026 |
Location & Contact
| State | Indiana |
| City | MONON |
| ZIP Code | 47959-9738 |
| Address | P.O. Box 716 |
| Organization | THAYER, JAMES |
| Phone | 219-253-7818 |
Population & Service
| Population Served | 104 |
| Service Connections | 81 |
Drinking Water Violations (106)
This water system has 106 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 17, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Nov 17, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2024 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | 15 pCi/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | 15 pCi/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | 15 pCi/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | 15 pCi/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | - | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | - | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | - | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MR | No | No | - | - | - | Resolved | Mar 31, 2018 | - | |
| Dec 15, 2004 | - | Other | No | No | - | - | - | Resolved | May 31, 2005 | - | |
| Dec 15, 2004 | - | Other | No | No | - | - | - | Resolved | May 31, 2005 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Apr 1, 2004 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.4 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.003 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.00000003 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.02 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.006 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0004 mg/L | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.04 mg/L | - | Archived | Sep 30, 1995 | - |
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.