SANS SOUCI COOPERATIVE
Colorado - Community Water System - PWSID: CO0107702
System Information
| PWSID | CO0107702 |
| System Name | SANS SOUCI COOPERATIVE |
| System Type | Community Water System |
| Water Source | Ground Water Under Influence |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Jun 17, 2026 |
Location & Contact
| State | Colorado |
| City | BOULDER |
| ZIP Code | 80305 |
| Address | 1561 S FOOTHILLS HWY OFC |
| Organization | KUHN, PEGGY |
| Phone | 970-370-6955 |
Population & Service
| Population Served | 150 |
| Service Connections | 63 |
Drinking Water Violations (531)
This water system has 531 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 27, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 21, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 21, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 21, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 21, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Mar 14, 2026 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2026 | - | |
| Mar 14, 2026 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2026 | - | |
| Mar 14, 2026 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2026 | - | |
| Jan 28, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Jan 28, 2026 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Dec 21, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Dec 21, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Dec 21, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Dec 21, 2025 | - | Other | No | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Nov 8, 2025 | - | TT | Yes | No | - | - | - | Addressed | - | - | |
| Aug 10, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Aug 10, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Aug 10, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 26, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 14, 2025 | - | |
| Jan 31, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 19, 2025 | - | |
| Jan 31, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 19, 2025 | - | |
| Jan 31, 2025 | - | Other | No | No | - | - | - | Resolved | Jun 19, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Oct 22, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 23, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 23, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 23, 2025 | - | |
| Jun 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Jun 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Mar 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Mar 24, 2024 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Dec 24, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Dec 24, 2023 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2025 | - | |
| Nov 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Dec 15, 2023 | - | |
| Nov 1, 2023 | Nov 30, 2023 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2023 | - |
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.