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Non-Transient Non-Community Water System · PWS CO0207192

Blue Leaf School LLC

Aurora, Colorado 80013 - drinking water served from surface water sources to 65 people, tracked in EPA SDWIS and UCMR5.

65
People served
200
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 200 drinking-water violations at Blue Leaf School LLC, 9% of them health-based - above the Colorado per-system average.

200
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
65
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Blue Leaf School LLC

Blue Leaf School LLC is a private-owned non-transient non-community water system that delivers drinking water to 65 residents in Aurora, Colorado (Boulder County) through 1 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 200 total violations for this system , of which 18 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 177 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 Interim Enhanced Surface Water Treatment Rule, recorded in 50 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%).

Blue Leaf School LLC's 200 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
65
Total Violations
200
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Boulder
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
177
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 50 2025
Surface Water Treatment Rule MR 14 2022
Surface Water Treatment Rule TT 12 2017
Coliform (TCR) MR 8 2003
Groundwater Rule TT 6 2024
DICHLOROMETHANE MR 4 2013
o-Dichlorobenzene MR 4 2013
p-Dichlorobenzene MR 4 2013
Vinyl chloride MR 4 2013
1,1,1-Trichloroethane MR 4 2013
1,1,2-Trichloroethane MR 4 2013
Tetrachloroethylene MR 4 2013
Benzene MR 4 2013
Toluene MR 4 2013
Styrene MR 4 2013
CHLOROBENZENE MR 4 2013
1,2-Dichloropropane MR 4 2013
1,1-Dichloroethylene MR 4 2013
Trichloroethylene MR 4 2013
1,2-Dichloroethane MR 4 2013
cis-1,2-Dichloroethylene MR 4 2013
Carbon tetrachloride MR 4 2013
Xylenes, Total MR 4 2013
1,2,4-Trichlorobenzene MR 4 2013
trans-1,2-Dichloroethylene MR 4 2013
Fluoride MR 4 2013
Ethylbenzene MR 4 2013
Revised Total Coliform Rule MON 3 2021
Chlorine MR 3 2021
TTHM MR 3 2017

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 Blue Leaf School LLC.

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 CO0207192 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 Blue Leaf School LLC 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 Interim Enhanced Surface Water Treatment Rule MR 50 SDWIS / CO0207192 / 0300
2025 Public Notice Other 2 SDWIS / CO0207192 / 7500
2024 Groundwater Rule TT 6 SDWIS / CO0207192 / 0700
2024 Lead and Copper Rule MR 2 SDWIS / CO0207192 / 5000
2022 Surface Water Treatment Rule MR 14 SDWIS / CO0207192 / 0200
2021 Revised Total Coliform Rule MON 3 SDWIS / CO0207192 / 8000
2021 Chlorine MR 3 SDWIS / CO0207192 / 0999
2017 Surface Water Treatment Rule TT 12 SDWIS / CO0207192 / 0200
2017 TTHM MR 3 SDWIS / CO0207192 / 2950
2017 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0207192 / 2456
2017 E. COLI MR 3 SDWIS / CO0207192 / 3014
2013 DICHLOROMETHANE MR 4 SDWIS / CO0207192 / 2964
2013 o-Dichlorobenzene MR 4 SDWIS / CO0207192 / 2968
2013 p-Dichlorobenzene MR 4 SDWIS / CO0207192 / 2969
2013 Vinyl chloride MR 4 SDWIS / CO0207192 / 2976

How Blue Leaf School LLC Compares

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

Metric Blue Leaf School LLC Colorado avg Federal benchmark
Total violations 200 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 65 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 Blue Leaf School LLC water safe to drink? ▼
Blue Leaf School LLC (PWS ID: CO0207192) has 200 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 65 people using Surface Water sources.
How many people does Blue Leaf School LLC serve? ▼
Blue Leaf School LLC serves 65 people in Aurora, Colorado. It is a Private-owned system using Surface Water water sources with 1 service connections.
What type of violations does Blue Leaf School LLC have? ▼
Blue Leaf School LLC has 200 total violations: 18 health-based violations (MCL exceedances or treatment failures), 177 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Blue Leaf School LLC water? ▼
No PFAS testing data is available for Blue Leaf School LLC under the EPA's UCMR5 monitoring program.
What water source does Blue Leaf School LLC use? ▼
Blue Leaf School LLC uses Surface Water 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.