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Community Water System · PWS CO0123538

New Castle Town Of

New Castle, Colorado 81647 - drinking water served from surface water sources to 5,024 people, tracked in EPA SDWIS and UCMR5.

5,024
People served
79
EPA violations
4
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 79 drinking-water violations at New Castle Town Of, 5% of them health-based - below the Colorado per-system average.

79
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
5,024
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: New Castle Town Of

New Castle Town Of is a local-owned community water system that delivers drinking water to 5,024 residents in New Castle, Colorado (Garfield County) through 1,722 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 79 total violations for this system , of which 4 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 58 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 13 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%).

New Castle Town Of's 79 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
5,024
Total Violations
79
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,722
County
Garfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
58
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 13 2022
Total Haloacetic Acids (HAA5) MR 12 2018
TTHM MR 12 2018
Coliform (TCR) MR 10 2000
Interim Enhanced Surface Water Treatment Rule MR 7 2022
Surface Water Treatment Rule TT 4 2015
CARBON, TOTAL MR 3 2008
Consumer Confidence Rule Other 2 2007
Lead and Copper Rule MR 1 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFEESA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/2/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/2/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/2/2025 <4.00 ppt 4.00 ppt Not Detected
PFMBA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/2/2025 <2.00 ppt 2.00 ppt Not Detected
PFBS 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/2/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/2/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/2/2025 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/2/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/2/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/2/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/2/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/2/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/2/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/2/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 7/7/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/7/2025 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 7/7/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/7/2025 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 4/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFEESA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 4/8/2025 <20.00 ppt 20.00 ppt Not Detected
PFPeS 4/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/8/2025 <2.00 ppt 2.00 ppt Not Detected
PFMBA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 4/8/2025 <7.00 ppt 7.00 ppt Not Detected
PFHpS 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 4/8/2025 <6.00 ppt 6.00 ppt Not Detected
PFTA 4/8/2025 <8.00 ppt 8.00 ppt Not Detected
PFOA 4/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 4/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 4/8/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 4/8/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 4/8/2025 <2.00 ppt 2.00 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 New Castle Town 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 CO0123538 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 New Castle Town 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
2022 Surface Water Treatment Rule MR 13 SDWIS / CO0123538 / 0200
2022 Interim Enhanced Surface Water Treatment Rule MR 7 SDWIS / CO0123538 / 0300
2018 Total Haloacetic Acids (HAA5) MR 12 SDWIS / CO0123538 / 2456
2018 TTHM MR 12 SDWIS / CO0123538 / 2950
2015 Surface Water Treatment Rule TT 4 SDWIS / CO0123538 / 0200
2008 CARBON, TOTAL MR 3 SDWIS / CO0123538 / 2920
2007 Consumer Confidence Rule Other 2 SDWIS / CO0123538 / 7000
2000 Coliform (TCR) MR 10 SDWIS / CO0123538 / 3100
2000 Lead and Copper Rule MR 1 SDWIS / CO0123538 / 5000

How New Castle Town Of Compares

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

Metric New Castle Town Of Colorado avg Federal benchmark
Total violations 79 108.9 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 5,024 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 New Castle Town Of water safe to drink?
New Castle Town Of (PWS ID: CO0123538) has 79 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,024 people using Surface Water sources.
How many people does New Castle Town Of serve?
New Castle Town Of serves 5,024 people in New Castle, Colorado. It is a Local-owned system using Surface Water water sources with 1,722 service connections.
What type of violations does New Castle Town Of have?
New Castle Town Of has 79 total violations: 4 health-based violations (MCL exceedances or treatment failures), 58 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in New Castle Town Of water?
No. New Castle Town Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does New Castle Town Of use?
New Castle Town Of 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. 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.