TERRACE LAKES WATER COMPANY
Idaho — Community Water System — PWSID: ID4080047
System Information
| PWSID | ID4080047 |
| System Name | TERRACE LAKES WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 13, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Idaho |
| City | NEW PLYMOUTH |
| ZIP Code | 83655 |
| Address | 6781 Little Lane |
| Organization | CORDOVA, MARY |
| Phone | 208-440-4756 |
Population & Service
| Population Served | 475 |
| Service Connections | 420 |
Drinking Water Violations (216)
This water system has 216 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Jun 30, 2025 | — | |
| Apr 1, 2025 | Jun 30, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Jun 30, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Mar 31, 2025 | — | |
| Jan 1, 2025 | Mar 31, 2025 | MCL | Yes | No | .027 MG/L | 0.006 mg/L | .006 | Resolved | Mar 31, 2025 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Dec 31, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2024 | Sep 30, 2024 | MCL | Yes | No | .036 MG/L | 0.006 mg/L | .006 | Resolved | Sep 30, 2024 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.007 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 0.075 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 10 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.0005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | — | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.1 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.002 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.1 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 1 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 10 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 5, 2026 | MR | No | Yes | — | 0.1 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.6 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.07 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.004 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.005 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Mar 4, 2026 | MR | No | Yes | — | 0.7 mg/L | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.001 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | — | 0.060 mg/L | — | Archived | Dec 31, 2025 | — |
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.