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Community Water System · PWS CO0145420

La Junta City Of

La Junta, Colorado 81050 - drinking water served from groundwater sources to 8,320 people, tracked in EPA SDWIS and UCMR5.

8,320
People served
80
EPA violations
10
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 80 drinking-water violations at La Junta City Of, 13% of them health-based - below the Colorado per-system average.

80
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
8,320
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: La Junta City Of

La Junta City Of is a local-owned community water system that delivers drinking water to 8,320 residents in La Junta, Colorado (Otero County) through 3,348 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 80 total violations for this system , of which 10 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 69 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 9 violations (MCL, health-based). 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%).

La Junta City Of's 80 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
8,320
Total Violations
80
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,348
County
Otero
School/Daycare
No
MCL Violations
10
Monitoring Violations
69
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 9 1998
Chlorine MR 4 2016
Coliform (TCR) MR 3 2002
BHC-GAMMA MR 2 2005
Methoxychlor MR 2 2005
Dalapon MR 2 2005
Diquat MR 2 2005
Di(2-ethylhexyl) adipate MR 2 2005
Simazine MR 2 2005
Di(2-ethylhexyl) phthalate MR 2 2005
Picloram MR 2 2005
Dinoseb MR 2 2005
Aldicarb sulfoxide MR 2 2005
Aldicarb MR 2 2005
Atrazine MR 2 2005
Heptachlor MR 2 2005
2,4,5-TP MR 2 2005
Benzo(a)pyrene MR 2 2005
ETHYLENE DIBROMIDE MR 2 2005
Chlordane MR 2 2005
Hexachlorocyclopentadiene MR 2 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2005
Endrin MR 2 2005
2,4-D MR 2 2005
Carbofuran MR 2 2005
HEXACHLOROBENZENE MR 2 2005
Aldicarb sulfone MR 2 2005
Toxaphene MR 2 2005
Heptachlor epoxide MR 2 2005
Pentachlorophenol MR 2 2005

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
PFMBA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 4/7/2025 <2.00 ppt 2.00 ppt Not Detected
NMeFOSAA 4/7/2025 <6.00 ppt 6.00 ppt Not Detected
PFDA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 4/7/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 4/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 4/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 4/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 4/7/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 4/7/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 4/7/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 4/7/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/7/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 4/7/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 4/7/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 10/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFMBA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 10/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 10/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 10/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 10/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 10/14/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 10/14/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 10/14/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 10/14/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 10/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 10/14/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeS 10/14/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 10/14/2025 <3.00 ppt 3.00 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 La Junta City Of.

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 CO0145420 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 La Junta City Of 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
2016 Chlorine MR 4 SDWIS / CO0145420 / 0999
2005 BHC-GAMMA MR 2 SDWIS / CO0145420 / 2010
2005 Methoxychlor MR 2 SDWIS / CO0145420 / 2015
2005 Dalapon MR 2 SDWIS / CO0145420 / 2031
2005 Diquat MR 2 SDWIS / CO0145420 / 2032
2005 Di(2-ethylhexyl) adipate MR 2 SDWIS / CO0145420 / 2035
2005 Simazine MR 2 SDWIS / CO0145420 / 2037
2005 Di(2-ethylhexyl) phthalate MR 2 SDWIS / CO0145420 / 2039
2005 Picloram MR 2 SDWIS / CO0145420 / 2040
2005 Dinoseb MR 2 SDWIS / CO0145420 / 2041
2005 Aldicarb sulfoxide MR 2 SDWIS / CO0145420 / 2043
2005 Aldicarb MR 2 SDWIS / CO0145420 / 2047
2005 Atrazine MR 2 SDWIS / CO0145420 / 2050
2005 Heptachlor MR 2 SDWIS / CO0145420 / 2065
2005 2,4,5-TP MR 2 SDWIS / CO0145420 / 2110

How La Junta City Of Compares

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

Metric La Junta City Of Colorado avg Federal benchmark
Total violations 80 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 8,320 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 La Junta City Of water safe to drink?
La Junta City Of (PWS ID: CO0145420) has 80 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 8,320 people using Groundwater sources.
How many people does La Junta City Of serve?
La Junta City Of serves 8,320 people in La Junta, Colorado. It is a Local-owned system using Groundwater water sources with 3,348 service connections.
What type of violations does La Junta City Of have?
La Junta City Of has 80 total violations: 10 health-based violations (MCL exceedances or treatment failures), 69 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in La Junta City Of water?
No. La Junta City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does La Junta City Of use?
La Junta City Of 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.