KEYSTONE RANCH
Colorado — Community Water System — PWSID: CO0159065
System Information
| PWSID | CO0159065 |
| System Name | KEYSTONE RANCH |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1982 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | KEYSTONE |
| ZIP Code | 80435 |
| Address | 0633 TENNIS COURT RD |
| Organization | LAWES, MEAGHAN |
| Phone | 303-404-8000 |
Population & Service
| Population Served | 670 |
| Service Connections | 108 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 6, 2025 | Lead and Copper Rule |
| Dec 1, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 6, 2025 | Lead and Copper Rule |
| Dec 1, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 6, 2025 | Lead and Copper Rule |
| Dec 1, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Feb 6, 2025 | Lead and Copper Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jul 1, 2002 | Jul 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2002 | Total Coliform Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
| Jan 1, 1993 | Dec 31, 1993 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1993 | Nitrate Rule |
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.