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Community Water System · PWS CO0160375

Rainbow Valley WD

Divide, Colorado 80814 - drinking water served from surface water sources to 130 people, tracked in EPA SDWIS and UCMR5.

130
People served
1,019
EPA violations
36
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,019 drinking-water violations at Rainbow Valley WD, 4% of them health-based - above the Colorado per-system average.

1,019
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
130
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Rainbow Valley WD

Rainbow Valley WD is a local-owned community water system that delivers drinking water to 130 residents in Divide, Colorado (Teller County) through 160 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,019 total violations for this system , of which 36 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 943 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 157 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Rainbow Valley WD's 1,019 violations sit above the Colorado average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
130
Total Violations
1,019
Health-Based Violations
36
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
160
County
Teller
School/Daycare
No
MCL Violations
0
Monitoring Violations
943
Treatment Tech Violations
36

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 157 2020
Interim Enhanced Surface Water Treatment Rule MR 112 2012
CARBON, TOTAL MR 37 2012
Interim Enhanced Surface Water Treatment Rule TT 31 2018
Chlorine MR 26 2012
Coliform (TCR) MR 20 2012
Lead and Copper Rule MR 19 2012
Barium MR 14 2020
Cadmium MR 14 2020
Beryllium, Total MR 14 2020
Thallium, Total MR 14 2020
Arsenic MR 14 2020
Nickel MR 14 2020
Antimony, Total MR 14 2020
Chromium MR 14 2020
Selenium MR 14 2020
Mercury MR 14 2020
E. COLI MR 12 2009
Fluoride MR 11 2020
1,2,4-Trichlorobenzene MR 11 2020
Xylenes, Total MR 11 2020
DICHLOROMETHANE MR 11 2020
p-Dichlorobenzene MR 11 2020
Vinyl chloride MR 11 2020
1,1-Dichloroethylene MR 11 2020
1,1,1-Trichloroethane MR 11 2020
1,2-Dichloropropane MR 11 2020
Trichloroethylene MR 11 2020
Tetrachloroethylene MR 11 2020
CHLOROBENZENE MR 11 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Rainbow Valley WD.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CO0160375 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Rainbow Valley WD under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2020 Surface Water Treatment Rule MR 157 SDWIS / CO0160375 / 0200
2020 Barium MR 14 SDWIS / CO0160375 / 1010
2020 Cadmium MR 14 SDWIS / CO0160375 / 1015
2020 Beryllium, Total MR 14 SDWIS / CO0160375 / 1075
2020 Thallium, Total MR 14 SDWIS / CO0160375 / 1085
2020 Arsenic MR 14 SDWIS / CO0160375 / 1005
2020 Nickel MR 14 SDWIS / CO0160375 / 1036
2020 Antimony, Total MR 14 SDWIS / CO0160375 / 1074
2020 Chromium MR 14 SDWIS / CO0160375 / 1020
2020 Selenium MR 14 SDWIS / CO0160375 / 1045
2020 Mercury MR 14 SDWIS / CO0160375 / 1035
2020 Fluoride MR 11 SDWIS / CO0160375 / 1025
2020 1,2,4-Trichlorobenzene MR 11 SDWIS / CO0160375 / 2378
2020 Xylenes, Total MR 11 SDWIS / CO0160375 / 2955
2020 DICHLOROMETHANE MR 11 SDWIS / CO0160375 / 2964

How Rainbow Valley WD Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Rainbow Valley WD Colorado avg Federal benchmark
Total violations 1,019 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 36 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 130 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Rainbow Valley WD water safe to drink? ▼
Rainbow Valley WD (PWS ID: CO0160375) has 1019 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 130 people using Surface Water sources.
How many people does Rainbow Valley WD serve? ▼
Rainbow Valley WD serves 130 people in Divide, Colorado. It is a Local-owned system using Surface Water water sources with 160 service connections.
What type of violations does Rainbow Valley WD have? ▼
Rainbow Valley WD has 1,019 total violations: 36 health-based violations (MCL exceedances or treatment failures), 943 monitoring/reporting violations, and 36 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Rainbow Valley WD water? ▼
No PFAS testing data is available for Rainbow Valley WD under the EPA's UCMR5 monitoring program.
What water source does Rainbow Valley WD use? ▼
Rainbow Valley WD uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.