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Community Water System · PWS CO0139434

Kannah Creek

Grand Junction, Colorado 81501 - drinking water served from surface water sources to 435 people, tracked in EPA SDWIS and UCMR5.

435
People served
97
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 97 drinking-water violations at Kannah Creek, 4% of them health-based - below the Colorado per-system average.

97
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
435
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Kannah Creek

Kannah Creek is a local-owned community water system that delivers drinking water to 435 residents in Grand Junction, Colorado (Mesa County) through 189 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 97 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 93 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 4 violations (MCL, health-based). 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%).

Kannah Creek's 97 violations sit below 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
435
Total Violations
97
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
189
County
Mesa
School/Daycare
No
MCL Violations
4
Monitoring Violations
93
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 4 2010
Endrin MR 3 2014
BHC-GAMMA MR 3 2014
Methoxychlor MR 3 2014
Toxaphene MR 3 2014
Dalapon MR 3 2014
Diquat MR 3 2014
Di(2-ethylhexyl) adipate MR 3 2014
OXAMYL MR 3 2014
Simazine MR 3 2014
Hexachlorocyclopentadiene MR 3 2014
Aldicarb sulfoxide MR 3 2014
Carbofuran MR 3 2014
Aldicarb MR 3 2014
Heptachlor epoxide MR 3 2014
2,4,5-TP MR 3 2014
HEXACHLOROBENZENE MR 3 2014
Total Polychlorinated Biphenyls (PCB) MR 3 2014
ETHYLENE DIBROMIDE MR 3 2014
Picloram MR 3 2014
Benzo(a)pyrene MR 3 2014
2,4-D MR 3 2014
Di(2-ethylhexyl) phthalate MR 3 2014
LASSO MR 3 2014
Pentachlorophenol MR 3 2014
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2014
Chlordane MR 3 2014
Aldicarb sulfone MR 3 2014
Dinoseb MR 3 2014
Atrazine MR 3 2014

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 Kannah Creek.

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 CO0139434 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 Kannah Creek 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
2014 Endrin MR 3 SDWIS / CO0139434 / 2005
2014 BHC-GAMMA MR 3 SDWIS / CO0139434 / 2010
2014 Methoxychlor MR 3 SDWIS / CO0139434 / 2015
2014 Toxaphene MR 3 SDWIS / CO0139434 / 2020
2014 Dalapon MR 3 SDWIS / CO0139434 / 2031
2014 Diquat MR 3 SDWIS / CO0139434 / 2032
2014 Di(2-ethylhexyl) adipate MR 3 SDWIS / CO0139434 / 2035
2014 OXAMYL MR 3 SDWIS / CO0139434 / 2036
2014 Simazine MR 3 SDWIS / CO0139434 / 2037
2014 Hexachlorocyclopentadiene MR 3 SDWIS / CO0139434 / 2042
2014 Aldicarb sulfoxide MR 3 SDWIS / CO0139434 / 2043
2014 Carbofuran MR 3 SDWIS / CO0139434 / 2046
2014 Aldicarb MR 3 SDWIS / CO0139434 / 2047
2014 Heptachlor epoxide MR 3 SDWIS / CO0139434 / 2067
2014 2,4,5-TP MR 3 SDWIS / CO0139434 / 2110

How Kannah Creek Compares

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

Metric Kannah Creek Colorado avg Federal benchmark
Total violations 97 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 435 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 Kannah Creek water safe to drink? ▼
Kannah Creek (PWS ID: CO0139434) has 97 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 435 people using Surface Water sources.
How many people does Kannah Creek serve? ▼
Kannah Creek serves 435 people in Grand Junction, Colorado. It is a Local-owned system using Surface Water water sources with 189 service connections.
What type of violations does Kannah Creek have? ▼
Kannah Creek has 97 total violations: 4 health-based violations (MCL exceedances or treatment failures), 93 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Kannah Creek water? ▼
No PFAS testing data is available for Kannah Creek under the EPA's UCMR5 monitoring program.
What water source does Kannah Creek use? ▼
Kannah Creek 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.