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Community Water System · PWS CO0115189

Crawford Mesa WA

Crawford, Colorado 81415 - drinking water served from groundwater sources to 486 people, tracked in EPA SDWIS and UCMR5.

486
People served
178
EPA violations
13
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 178 drinking-water violations at Crawford Mesa WA, 7% of them health-based - above the Colorado per-system average.

178
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
486
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Crawford Mesa WA

Crawford Mesa WA is a private-owned community water system that delivers drinking water to 486 residents in Crawford, Colorado (Delta County) through 193 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 178 total violations for this system , of which 13 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 145 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 45 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Crawford Mesa WA's 178 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
486
Total Violations
178
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
193
County
Delta
School/Daycare
No
MCL Violations
0
Monitoring Violations
145
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 45 2016
Chlorine MR 33 2025
Coliform (TCR) MR 18 2016
Revised Total Coliform Rule MON 12 2021
Total Haloacetic Acids (HAA5) MR 11 2015
Interim Enhanced Surface Water Treatment Rule MR 10 2016
Surface Water Treatment Rule TT 9 1999
TTHM MR 7 2014
Consumer Confidence Rule Other 6 2025
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2017
Nitrate MR 3 1994
E. COLI MR 3 2022
Chlordane MR 3 2020
Revised Total Coliform Rule RPT 3 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
11Cl-PF3OUdS 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 12/11/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFMBA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 12/11/2023 <2.00 ppt 2.00 ppt Not Detected
PFOS 12/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 12/11/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 12/11/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 12/11/2023 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 12/11/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 12/11/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 12/11/2023 <7.00 ppt 7.00 ppt Not Detected
PFDA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 12/11/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 12/11/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 12/11/2023 <20.00 ppt 20.00 ppt Not Detected
PFDoA 12/11/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 10/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 10/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 10/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 10/17/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 10/17/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 10/17/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 10/17/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 10/17/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 10/17/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 10/17/2023 <5.00 ppt 5.00 ppt Not Detected

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 Crawford Mesa WA.

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 CO0115189 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 Crawford Mesa WA 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
2025 Chlorine MR 33 SDWIS / CO0115189 / 0999
2025 Consumer Confidence Rule Other 6 SDWIS / CO0115189 / 7000
2025 Revised Total Coliform Rule RPT 3 SDWIS / CO0115189 / 8000
2022 E. COLI MR 3 SDWIS / CO0115189 / 3014
2021 Revised Total Coliform Rule MON 12 SDWIS / CO0115189 / 8000
2020 Chlordane MR 3 SDWIS / CO0115189 / 2959
2017 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / CO0115189 / 0400
2016 Surface Water Treatment Rule MR 45 SDWIS / CO0115189 / 0200
2016 Coliform (TCR) MR 18 SDWIS / CO0115189 / 3100
2016 Interim Enhanced Surface Water Treatment Rule MR 10 SDWIS / CO0115189 / 0300
2015 Total Haloacetic Acids (HAA5) MR 11 SDWIS / CO0115189 / 2456
2014 TTHM MR 7 SDWIS / CO0115189 / 2950
1999 Surface Water Treatment Rule TT 9 SDWIS / CO0115189 / 0200
1994 Nitrate MR 3 SDWIS / CO0115189 / 1040

How Crawford Mesa WA Compares

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

Metric Crawford Mesa WA Colorado avg Federal benchmark
Total violations 178 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 486 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 Crawford Mesa WA water safe to drink?
Crawford Mesa WA (PWS ID: CO0115189) has 178 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 486 people using Groundwater sources.
How many people does Crawford Mesa WA serve?
Crawford Mesa WA serves 486 people in Crawford, Colorado. It is a Private-owned system using Groundwater water sources with 193 service connections.
What type of violations does Crawford Mesa WA have?
Crawford Mesa WA has 178 total violations: 13 health-based violations (MCL exceedances or treatment failures), 145 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Crawford Mesa WA water?
No. Crawford Mesa WA was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Crawford Mesa WA use?
Crawford Mesa WA uses Groundwater 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
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.