CHALK CREEK CAMPGROUND
Colorado — Transient Non-Community — PWSID: CO0208160
System Information
| PWSID | CO0208160 |
| System Name | CHALK CREEK CAMPGROUND |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | NATHROP |
| ZIP Code | 81236 |
| Address | — |
| Organization | WILSON, MEGHAN |
| Phone | 303-859-2796 |
Population & Service
| Population Served | 401 |
| Service Connections | 40 |
Drinking Water Violations (22)
This water system has 22 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 | Sep 30, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 | Sep 30, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 | Sep 30, 2025 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2025 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2025 | Revised Total Coliform Rule |
| Jul 1, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2025 | Revised Total Coliform Rule |
| Jul 1, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2025 | Revised Total Coliform Rule |
| Jul 21, 2018 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Aug 20, 2017 | — | Public Notice | Other | No | No | — | — | — | Unaddressed | — | Public Notice Rule and Revised PN Rule |
| Sep 1, 1999 | Sep 30, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | Total Coliform Rule |
| Sep 1, 1999 | Sep 30, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | Total Coliform Rule |
| Sep 1, 1999 | Sep 30, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | Total Coliform Rule |
| Sep 1, 1999 | Sep 30, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1999 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Sep 1, 1998 | Sep 30, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | 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.