LOCH ALPINE SANITARY AUTHORITY
Michigan — Community Water System — PWSID: MI0003940
System Information
| PWSID | MI0003940 |
| System Name | LOCH ALPINE SANITARY AUTHORITY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 3, 1981 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Michigan |
| City | ANN ARBOR |
| ZIP Code | 48130 |
| Address | 4230 CRESTLINE DR |
| Organization | DORNEY, ANDREA |
| Phone | — |
Population & Service
| Population Served | 1,506 |
| Service Connections | 538 |
Drinking Water Violations (18)
This water system has 18 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 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Jul 2, 2025 | — | RPT | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | May 6, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | May 6, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | May 6, 2024 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | May 6, 2024 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Aug 1, 2020 | Jul 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jul 31, 2021 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | — | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1997 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1994 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1994 | — | |
| — | — | — | 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.