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Community Water System · PWS CO0123734

Apple Tree Park

New Castle, Colorado 81647 - drinking water served from groundwater sources to 1,160 people, tracked in EPA SDWIS and UCMR5.

1,160
People served
251
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 251 drinking-water violations at Apple Tree Park, 2% of them health-based - above the Colorado per-system average.

251
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
1,160
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Apple Tree Park

Apple Tree Park is a private-owned community water system that delivers drinking water to 1,160 residents in New Castle, Colorado (Garfield County) through 375 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 251 total violations for this system , of which 5 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 230 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is ETHYLENE DIBROMIDE, recorded in 9 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%).

Apple Tree Park's 251 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
1,160
Total Violations
251
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
375
County
Garfield
School/Daycare
No
MCL Violations
5
Monitoring Violations
230
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
ETHYLENE DIBROMIDE MR 9 2011
Coliform (TCR) MR 8 2012
Chlorine MR 7 2012
Fluoride MR 7 2005
Methoxychlor MR 6 2005
Toxaphene MR 6 2005
Dalapon MR 6 2005
Diquat MR 6 2005
Di(2-ethylhexyl) adipate MR 6 2005
OXAMYL MR 6 2005
Di(2-ethylhexyl) phthalate MR 6 2005
Hexachlorocyclopentadiene MR 6 2005
Aldicarb MR 6 2005
Heptachlor MR 6 2005
Heptachlor epoxide MR 6 2005
HEXACHLOROBENZENE MR 6 2005
Pentachlorophenol MR 6 2005
Total Polychlorinated Biphenyls (PCB) MR 6 2005
1,2-DIBROMO-3-CHLOROPROPANE MR 6 2005
Endrin MR 6 2005
BHC-GAMMA MR 6 2005
Endothall MR 6 2005
Dinoseb MR 6 2005
Aldicarb sulfone MR 6 2005
Atrazine MR 6 2005
LASSO MR 6 2005
Benzo(a)pyrene MR 6 2005
Chlordane MR 6 2005
TTHM MR 6 2015
Total Haloacetic Acids (HAA5) MR 6 2015

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 Apple Tree Park.

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 CO0123734 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 Apple Tree Park 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
2015 TTHM MR 6 SDWIS / CO0123734 / 2950
2015 Total Haloacetic Acids (HAA5) MR 6 SDWIS / CO0123734 / 2456
2012 Coliform (TCR) MR 8 SDWIS / CO0123734 / 3100
2012 Chlorine MR 7 SDWIS / CO0123734 / 0999
2011 ETHYLENE DIBROMIDE MR 9 SDWIS / CO0123734 / 2946
2011 Consumer Confidence Rule Other 2 SDWIS / CO0123734 / 7000
2005 Fluoride MR 7 SDWIS / CO0123734 / 1025
2005 Methoxychlor MR 6 SDWIS / CO0123734 / 2015
2005 Toxaphene MR 6 SDWIS / CO0123734 / 2020
2005 Dalapon MR 6 SDWIS / CO0123734 / 2031
2005 Diquat MR 6 SDWIS / CO0123734 / 2032
2005 Di(2-ethylhexyl) adipate MR 6 SDWIS / CO0123734 / 2035
2005 OXAMYL MR 6 SDWIS / CO0123734 / 2036
2005 Di(2-ethylhexyl) phthalate MR 6 SDWIS / CO0123734 / 2039
2005 Hexachlorocyclopentadiene MR 6 SDWIS / CO0123734 / 2042

How Apple Tree Park Compares

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

Metric Apple Tree Park Colorado avg Federal benchmark
Total violations 251 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 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 1,160 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 Apple Tree Park water safe to drink? ▼
Apple Tree Park (PWS ID: CO0123734) has 251 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,160 people using Groundwater sources.
How many people does Apple Tree Park serve? ▼
Apple Tree Park serves 1,160 people in New Castle, Colorado. It is a Private-owned system using Groundwater water sources with 375 service connections.
What type of violations does Apple Tree Park have? ▼
Apple Tree Park has 251 total violations: 5 health-based violations (MCL exceedances or treatment failures), 230 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Apple Tree Park water? ▼
No PFAS testing data is available for Apple Tree Park under the EPA's UCMR5 monitoring program.
What water source does Apple Tree Park use? ▼
Apple Tree Park 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. 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.