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Non-Transient Non-Community Water System · PWS CO0218167

Castlewood Community Preschool

Franktown, Colorado 80116 - drinking water served from groundwater sources to 125 people, tracked in EPA SDWIS and UCMR5.

125
People served
449
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 449 drinking-water violations at Castlewood Community Preschool, 2% of them health-based - above the Colorado per-system average.

449
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
125
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Castlewood Community Preschool

Castlewood Community Preschool is a private-owned non-transient non-community water system that delivers drinking water to 125 residents in Franktown, Colorado (Douglas County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 449 total violations for this system , of which 8 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 436 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 Lead and Copper Rule, recorded in 15 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, 37 of 163 UCMR5-tested systems have reported PFAS detections (22.7%).

Castlewood Community Preschool's 449 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
125
Total Violations
449
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Douglas
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
436
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 15 2025
Total Polychlorinated Biphenyls (PCB) MR 10 2024
ETHYLENE DIBROMIDE MR 10 2024
Chlordane MR 10 2024
Toxaphene MR 10 2024
1,2-DIBROMO-3-CHLOROPROPANE MR 10 2024
Revised Total Coliform Rule MON 9 2024
Coliform (TCR) MR 8 2009
Antimony, Total MR 6 2023
Beryllium, Total MR 6 2023
Thallium, Total MR 6 2023
Selenium MR 6 2023
Methoxychlor MR 6 2023
Dalapon MR 6 2023
OXAMYL MR 6 2023
Simazine MR 6 2023
Di(2-ethylhexyl) phthalate MR 6 2023
Picloram MR 6 2023
Hexachlorocyclopentadiene MR 6 2023
LASSO MR 6 2023
Heptachlor MR 6 2023
2,4-D MR 6 2023
2,4,5-TP MR 6 2023
Benzo(a)pyrene MR 6 2023
Pentachlorophenol MR 6 2023
cis-1,2-Dichloroethylene MR 6 2023
DICHLOROMETHANE MR 6 2023
o-Dichlorobenzene MR 6 2023
1,1,1-Trichloroethane MR 6 2023
1,1,2-Trichloroethane MR 6 2023

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 Castlewood Community Preschool.

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 CO0218167 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 Castlewood Community Preschool 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 Lead and Copper Rule MR 15 SDWIS / CO0218167 / 5000
2024 Total Polychlorinated Biphenyls (PCB) MR 10 SDWIS / CO0218167 / 2383
2024 ETHYLENE DIBROMIDE MR 10 SDWIS / CO0218167 / 2946
2024 Chlordane MR 10 SDWIS / CO0218167 / 2959
2024 Toxaphene MR 10 SDWIS / CO0218167 / 2020
2024 1,2-DIBROMO-3-CHLOROPROPANE MR 10 SDWIS / CO0218167 / 2931
2024 Revised Total Coliform Rule MON 9 SDWIS / CO0218167 / 8000
2024 Chlorine MR 6 SDWIS / CO0218167 / 0999
2024 Total Haloacetic Acids (HAA5) MR 6 SDWIS / CO0218167 / 2456
2024 TTHM MR 6 SDWIS / CO0218167 / 2950
2024 Revised Total Coliform Rule TT 4 SDWIS / CO0218167 / 8000
2024 Public Notice Other 2 SDWIS / CO0218167 / 7500
2023 Antimony, Total MR 6 SDWIS / CO0218167 / 1074
2023 Beryllium, Total MR 6 SDWIS / CO0218167 / 1075
2023 Thallium, Total MR 6 SDWIS / CO0218167 / 1085

How Castlewood Community Preschool Compares

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

Metric Castlewood Community Preschool Colorado avg Federal benchmark
Total violations 449 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 22.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 125 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 Castlewood Community Preschool water safe to drink?
Castlewood Community Preschool (PWS ID: CO0218167) has 449 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does Castlewood Community Preschool serve?
Castlewood Community Preschool serves 125 people in Franktown, Colorado. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Castlewood Community Preschool have?
Castlewood Community Preschool has 449 total violations: 8 health-based violations (MCL exceedances or treatment failures), 436 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Castlewood Community Preschool water?
No PFAS testing data is available for Castlewood Community Preschool under the EPA's UCMR5 monitoring program.
What water source does Castlewood Community Preschool use?
Castlewood Community Preschool uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.