VALLEY WC

PWSID: CO0145750 · Manzanola, CO · Serves 270 people

According to EPA Safe Drinking Water Information System (SDWIS), VALLEY WC (PWSID CO0145750) in Manzanola, CO is listed as a CWS water system covering about 270 people. The same extract lists 160 health-based violation records spanning 2016-2025. Those 160 health-based rows for VALLEY WC cover contaminants such as Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Stage 1 Disinfectants and Disinfection Byproducts Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

VALLEY WC has 160 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
270
Health-Based Violation Records
160
Distinct Contaminant Codes
3
Source Type
Groundwater

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 Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Stage 1 Disinfectants and Disinfection Byproducts Rule. Recorded violations span 2016–2025. 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)
CO0145750
System Type
CWS
Water Source
Groundwater
Location
Manzanola, CO
Population Served
270
Health Violations
Yes (160)

What contaminants are in this water system?

Violation History (160)

Contaminant Health Date
Combined Radium (-226 and -228) Yes Oct 1, 2025
Combined Radium (-226 and -228) Yes Oct 1, 2025
Combined Radium (-226 and -228) Yes Jul 1, 2025
Combined Radium (-226 and -228) Yes Jul 1, 2025
Gross Alpha, Excl. Radon and U Yes Jul 1, 2025
Gross Alpha, Excl. Radon and U Yes Apr 1, 2025
Combined Radium (-226 and -228) 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 Jan 1, 2025
Gross Alpha, Excl. Radon and U Yes Jan 1, 2025
Combined Radium (-226 and -228) Yes Oct 1, 2024
Combined Radium (-226 and -228) Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2024
Combined Radium (-226 and -228) Yes Oct 1, 2024
Combined Radium (-226 and -228) Yes Oct 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Jul 1, 2024
Combined Radium (-226 and -228) Yes Jul 1, 2024
Combined Radium (-226 and -228) Yes Jul 1, 2024
Combined Radium (-226 and -228) Yes Jul 1, 2024
Combined Radium (-226 and -228) Yes Jul 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Apr 1, 2024
Combined Radium (-226 and -228) Yes Apr 1, 2024
Combined Radium (-226 and -228) Yes Apr 1, 2024
Combined Radium (-226 and -228) Yes Apr 1, 2024
Combined Radium (-226 and -228) Yes Apr 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Jan 1, 2024
Combined Radium (-226 and -228) Yes Jan 1, 2024
Combined Radium (-226 and -228) Yes Jan 1, 2024
Combined Radium (-226 and -228) Yes Jan 1, 2024
Combined Radium (-226 and -228) Yes Jan 1, 2024
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Oct 1, 2023
Combined Radium (-226 and -228) Yes Oct 1, 2023
Combined Radium (-226 and -228) Yes Oct 1, 2023
Combined Radium (-226 and -228) Yes Oct 1, 2023
Combined Radium (-226 and -228) Yes Oct 1, 2023
Gross Alpha, Excl. Radon and U Yes Jul 1, 2023
Gross Alpha, Excl. Radon and U Yes Jul 1, 2023
Gross Alpha, Excl. Radon and U Yes Jul 1, 2023
Gross Alpha, Excl. Radon and U Yes Jul 1, 2023
Combined Radium (-226 and -228) Yes Jul 1, 2023
Combined Radium (-226 and -228) Yes Jul 1, 2023
Combined Radium (-226 and -228) Yes Jul 1, 2023
Combined Radium (-226 and -228) Yes Jul 1, 2023
Combined Radium (-226 and -228) Yes Apr 1, 2023
Combined Radium (-226 and -228) Yes Apr 1, 2023
Combined Radium (-226 and -228) Yes Apr 1, 2023
Combined Radium (-226 and -228) Yes Apr 1, 2023
Gross Alpha, Excl. Radon and U Yes Apr 1, 2023
Gross Alpha, Excl. Radon and U Yes Apr 1, 2023
Combined Radium (-226 and -228) Yes Jan 1, 2023
Combined Radium (-226 and -228) Yes Jan 1, 2023
Combined Radium (-226 and -228) Yes Jan 1, 2023
Combined Radium (-226 and -228) Yes Jan 1, 2023
Gross Alpha, Excl. Radon and U Yes Jan 1, 2023
Gross Alpha, Excl. Radon and U Yes Jan 1, 2023
Combined Radium (-226 and -228) Yes Oct 1, 2022
Combined Radium (-226 and -228) Yes Oct 1, 2022
Combined Radium (-226 and -228) Yes Oct 1, 2022
Combined Radium (-226 and -228) Yes Oct 1, 2022
Gross Alpha, Excl. Radon and U Yes Oct 1, 2022
Gross Alpha, Excl. Radon and U Yes Oct 1, 2022
Combined Radium (-226 and -228) Yes Jul 1, 2022
Combined Radium (-226 and -228) Yes Jul 1, 2022
Combined Radium (-226 and -228) Yes Jul 1, 2022
Combined Radium (-226 and -228) Yes Jul 1, 2022
Gross Alpha, Excl. Radon and U Yes Jul 1, 2022
Gross Alpha, Excl. Radon and U Yes Jul 1, 2022
Gross Alpha, Excl. Radon and U Yes Jul 1, 2022
Gross Alpha, Excl. Radon and U Yes Jul 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 Apr 1, 2022
Combined Radium (-226 and -228) Yes Apr 1, 2022
Gross Alpha, Excl. Radon and U Yes Apr 1, 2022
Gross Alpha, Excl. Radon and U Yes Apr 1, 2022
Combined Radium (-226 and -228) Yes Jan 1, 2022
Gross Alpha, Excl. Radon and U Yes Jan 1, 2022
Gross Alpha, Excl. Radon and U Yes Jan 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 Oct 1, 2021
Gross Alpha, Excl. Radon and U Yes Oct 1, 2021
Gross Alpha, Excl. Radon and U Yes Oct 1, 2021
Combined Radium (-226 and -228) Yes Jul 1, 2021
Combined Radium (-226 and -228) Yes Jul 1, 2021
Gross Alpha, Excl. Radon and U Yes Jul 1, 2021
Showing 100 of 160 violations.

Frequently Asked Questions

What does EPA SDWIS list for VALLEY WC?
VALLEY WC has 160 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does VALLEY WC serve?
VALLEY WC serves 270 people in Manzanola, CO. It is classified as a CWS water system.
What violations does VALLEY WC have?
VALLEY WC has 160 health-based violation records in PlainEnviro's extract spanning 2016–2025. Monitoring and reporting records are not included.
What contaminants have been found in VALLEY WC water?
Violations have been recorded for 3 contaminants. The most frequent: Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Stage 1 Disinfectants and Disinfection Byproducts Rule.

Compare beyond Colorado

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest VALLEY WC on cumulative violation count (160) and EPA-reported population served (270). Violation-count peers include ELM BEND RWD INC, ADAMSON RWD #8, ALBERTA WATER SYSTEM.

About This Data

VALLEY WC (CO0145750) is drawn from EPA SDWIS. Nearby county systems in this extract include LA JUNTA CITY OF; ROCKY FORD CITY OF; BENTS FORT WC; SWINK TOWN OF. Health-based rows (160 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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