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Non-Transient Non-Community Water System · PWS AZ0403069

Sturgeon Cromer Elem School

Flagstaff, Arizona 86004 - drinking water served from groundwater sources to 750 people, tracked in EPA SDWIS and UCMR5.

750
People served
208
EPA violations
5
Health-based
Untested
UCMR5 result

The verdict

EPA records 208 drinking-water violations at Sturgeon Cromer Elem School, 2% of them health-based - above the Arizona per-system average.

208
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
750
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Sturgeon Cromer Elem School

Sturgeon Cromer Elem School is a local-owned non-transient non-community water system that delivers drinking water to 750 residents in Flagstaff, Arizona (Coconino County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 208 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 197 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 23 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 Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Sturgeon Cromer Elem School's 208 violations sit above the Arizona 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
750
Total Violations
208
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
3
County
Coconino
School/Daycare
Yes
MCL Violations
5
Monitoring Violations
197
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 23 2025
Coliform (TCR) MR 17 2014
p-Dichlorobenzene MR 7 2011
trans-1,2-Dichloroethylene MR 7 2011
Carbon tetrachloride MR 7 2011
1,2-Dichloropropane MR 7 2011
1,1,2-Trichloroethane MR 7 2011
CHLOROBENZENE MR 7 2011
Ethylbenzene MR 7 2011
Xylenes, Total MR 7 2011
1,1-Dichloroethylene MR 7 2011
1,1,1-Trichloroethane MR 7 2011
Trichloroethylene MR 7 2011
Tetrachloroethylene MR 7 2011
Benzene MR 7 2011
1,2,4-Trichlorobenzene MR 7 2011
Toluene MR 7 2011
Styrene MR 7 2011
cis-1,2-Dichloroethylene MR 7 2011
1,2-Dichloroethane MR 7 2011
DICHLOROMETHANE MR 7 2011
o-Dichlorobenzene MR 7 2011
Nitrate MR 5 2006
Coliform (TCR) MCL 5 2012
Vinyl chloride MR 4 2011
Barium MR 2 1991
Fluoride MR 1 1988
Mercury MR 1 1988
Arsenic MR 1 1988
Selenium MR 1 1988

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 Sturgeon Cromer Elem 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 AZ0403069 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Sturgeon Cromer Elem School under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

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 23 SDWIS / AZ0403069 / 5000
2014 Coliform (TCR) MR 17 SDWIS / AZ0403069 / 3100
2012 Coliform (TCR) MCL 5 SDWIS / AZ0403069 / 3100
2011 p-Dichlorobenzene MR 7 SDWIS / AZ0403069 / 2969
2011 trans-1,2-Dichloroethylene MR 7 SDWIS / AZ0403069 / 2979
2011 Carbon tetrachloride MR 7 SDWIS / AZ0403069 / 2982
2011 1,2-Dichloropropane MR 7 SDWIS / AZ0403069 / 2983
2011 1,1,2-Trichloroethane MR 7 SDWIS / AZ0403069 / 2985
2011 CHLOROBENZENE MR 7 SDWIS / AZ0403069 / 2989
2011 Ethylbenzene MR 7 SDWIS / AZ0403069 / 2992
2011 Xylenes, Total MR 7 SDWIS / AZ0403069 / 2955
2011 1,1-Dichloroethylene MR 7 SDWIS / AZ0403069 / 2977
2011 1,1,1-Trichloroethane MR 7 SDWIS / AZ0403069 / 2981
2011 Trichloroethylene MR 7 SDWIS / AZ0403069 / 2984
2011 Tetrachloroethylene MR 7 SDWIS / AZ0403069 / 2987

How Sturgeon Cromer Elem School Compares

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

Metric Sturgeon Cromer Elem School Arizona avg Federal benchmark
Total violations 208 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 750 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

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 Sturgeon Cromer Elem School water safe to drink? ▼
Sturgeon Cromer Elem School (PWS ID: AZ0403069) has 208 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 750 people using Groundwater sources.
How many people does Sturgeon Cromer Elem School serve? ▼
Sturgeon Cromer Elem School serves 750 people in Flagstaff, Arizona. It is a Local-owned system using Groundwater water sources with 3 service connections.
What type of violations does Sturgeon Cromer Elem School have? ▼
Sturgeon Cromer Elem School has 208 total violations: 5 health-based violations (MCL exceedances or treatment failures), 197 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Sturgeon Cromer Elem School water? ▼
No PFAS testing data is available for Sturgeon Cromer Elem School under the EPA's UCMR5 monitoring program.
What water source does Sturgeon Cromer Elem School use? ▼
Sturgeon Cromer Elem 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.