WALDEN WSD
Colorado — Community Water System — PWSID: CO0121850
System Information
| PWSID | CO0121850 |
| System Name | WALDEN WSD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 20, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Colorado |
| City | MONUMENT |
| ZIP Code | 80132 |
| Address | — |
| Organization | TRUNCER, SHARON |
| Phone | 719-559-2229 |
Population & Service
| Population Served | 1,500 |
| Service Connections | 360 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Dec 31, 2024 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Oct 1, 2024 | Dec 31, 2024 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Oct 1, 2024 | Dec 31, 2024 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Oct 1, 2024 | Dec 31, 2024 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Resolved | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 10, 2021 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 10, 2021 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 10, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 21, 2020 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 21, 2020 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 21, 2020 | Lead and Copper Rule |
| Oct 1, 2018 | Sep 30, 2019 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Sep 30, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Sep 30, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2018 | Sep 30, 2019 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2019 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 1, 2018 | Lead and Copper Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 1, 2018 | Lead and Copper Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 1, 2018 | Lead and Copper Rule |
| Oct 1, 2017 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 1, 2018 | Lead and Copper Rule |
| Jan 1, 2016 | Dec 31, 2016 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2016 | Nitrate Rule |
| Jan 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jan 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jan 1, 2016 | Dec 31, 2016 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2016 | Lead and Copper Rule |
| Jan 1, 2014 | Dec 31, 2016 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform 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.