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Non-Transient Non-Community Water System · PWS CO0221350

Ellicott Elem SR High School

Calhan, Colorado 80808 - drinking water served from groundwater sources to 1,114 people, tracked in EPA SDWIS and UCMR5.

1,114
People served
95
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 95 drinking-water violations at Ellicott Elem SR High School, 6% of them health-based - below the Colorado per-system average.

95
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
1,114
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ellicott Elem SR High School

Ellicott Elem SR High School is a local-owned non-transient non-community water system that delivers drinking water to 1,114 residents in Calhan, Colorado (El Paso County) through 7 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 95 total violations for this system , of which 6 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 82 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 17 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%).

Ellicott Elem SR High School's 95 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
1,114
Total Violations
95
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
7
County
El Paso
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
82
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 17 2022
Di(2-ethylhexyl) phthalate MR 12 2023
Chlorine MR 10 2024
Revised Total Coliform Rule MON 7 2024
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 2023
Hexachlorocyclopentadiene MR 6 2021
Heptachlor MR 6 2023
Public Notice Other 4 2023
Nitrite MR 3 2008
Diquat MR 3 2008
ETHYLENE DIBROMIDE MR 3 2008
TTHM MR 3 2023
Total Haloacetic Acids (HAA5) MR 3 2023
Nitrate MR 3 2023
Coliform (TCR) MR 3 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2008

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 Ellicott Elem SR High School.

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 CO0221350 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 Ellicott Elem SR High School 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
2024 Chlorine MR 10 SDWIS / CO0221350 / 0999
2024 Revised Total Coliform Rule MON 7 SDWIS / CO0221350 / 8000
2023 Di(2-ethylhexyl) phthalate MR 12 SDWIS / CO0221350 / 2039
2023 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 SDWIS / CO0221350 / 0400
2023 Heptachlor MR 6 SDWIS / CO0221350 / 2065
2023 Public Notice Other 4 SDWIS / CO0221350 / 7500
2023 TTHM MR 3 SDWIS / CO0221350 / 2950
2023 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0221350 / 2456
2023 Nitrate MR 3 SDWIS / CO0221350 / 1040
2022 Lead and Copper Rule MR 17 SDWIS / CO0221350 / 5000
2021 Hexachlorocyclopentadiene MR 6 SDWIS / CO0221350 / 2042
2008 Nitrite MR 3 SDWIS / CO0221350 / 1041
2008 Diquat MR 3 SDWIS / CO0221350 / 2032
2008 ETHYLENE DIBROMIDE MR 3 SDWIS / CO0221350 / 2946
2008 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / CO0221350 / 2931

How Ellicott Elem SR High School Compares

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

Metric Ellicott Elem SR High School Colorado avg Federal benchmark
Total violations 95 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 1,114 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 Ellicott Elem SR High School water safe to drink? ▼
Ellicott Elem SR High School (PWS ID: CO0221350) has 95 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,114 people using Groundwater sources.
How many people does Ellicott Elem SR High School serve? ▼
Ellicott Elem SR High School serves 1,114 people in Calhan, Colorado. It is a Local-owned system using Groundwater water sources with 7 service connections.
What type of violations does Ellicott Elem SR High School have? ▼
Ellicott Elem SR High School has 95 total violations: 6 health-based violations (MCL exceedances or treatment failures), 82 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ellicott Elem SR High School water? ▼
No PFAS testing data is available for Ellicott Elem SR High School under the EPA's UCMR5 monitoring program.
What water source does Ellicott Elem SR High School use? ▼
Ellicott Elem SR High School 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.

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.