WALSH TOWN OF
PWSID: CO0105900 · Walsh, CO · Serves 650 people
According to EPA Safe Drinking Water Information System (SDWIS), WALSH TOWN OF (PWSID CO0105900) in Walsh, CO is listed as a CWS water system covering about 650 people. The same extract lists 25 health-based violation records spanning 2018-2025. Those 25 health-based rows for WALSH TOWN OF cover contaminants such as Nitrate, Combined Radium (-226 and -228), Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WALSH TOWN OF has 25 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 3 distinct EPA contaminant codes appear in this system's record, including Nitrate, Combined Radium (-226 and -228), Groundwater Rule. Recorded violations span 2018–2025. Day-to-day primacy enforcement for this system runs through the Colorado drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Colorado state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CO0105900
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Walsh, CO
- Population Served
- 650
- Health Violations
- Yes (25)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 13 | 13 |
| Combined Radium (-226 and -228) | 10 | 10 |
| Groundwater Rule | 2 | 2 |
Violation History (25)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate | Yes | Oct 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Jul 1, 2025 |
| Nitrate | Yes | Apr 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Apr 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Jan 1, 2025 |
| Combined Radium (-226 and -228) | Yes | Oct 1, 2024 |
| Combined Radium (-226 and -228) | Yes | Oct 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Oct 1, 2022 |
| Combined Radium (-226 and -228) | Yes | Apr 1, 2022 |
| Combined Radium (-226 and -228) | Yes | Apr 1, 2022 |
| Combined Radium (-226 and -228) | Yes | Jan 1, 2022 |
| Combined Radium (-226 and -228) | Yes | Oct 1, 2021 |
| Combined Radium (-226 and -228) | Yes | Jul 1, 2021 |
| Nitrate | Yes | Jul 1, 2019 |
| Nitrate | Yes | Jul 1, 2018 |
| Groundwater Rule | Yes | Jan 12, 2018 |
| Groundwater Rule | Yes | Jan 12, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for WALSH TOWN OF?
How many people does WALSH TOWN OF serve?
What violations does WALSH TOWN OF have?
What contaminants have been found in WALSH TOWN OF water?
Compare beyond Colorado
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WALSH TOWN OF on cumulative violation count (25) and EPA-reported population served (650). Violation-count peers include GILBERTOWN, UTILITIES BOARD OF TOWN OF, BRANCH WATER WORKS, JUNIPER RIVIERA CWD. Population peers include ARAPAHOE INDUSTRIAL PARK, Mesquite Creek, Bear River - Tish Non Village.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
WALSH TOWN OF (CO0105900) is drawn from EPA SDWIS. Nearby county systems in this extract include SPRINGFIELD TOWN OF; CAMPO TOWN OF; VILAS TOWN OF; PRITCHETT TOWN OF. Health-based rows (25 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.