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Transient Non-Community Water System · PWS AZ0401007

Crosby Spring at Greer

Greer, Arizona 85927 - drinking water served from groundwater sources to 101 people, tracked in EPA SDWIS and UCMR5.

101
People served
157
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 157 drinking-water violations at Crosby Spring at Greer - above the Arizona per-system average.

157
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
101
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Crosby Spring at Greer

Crosby Spring at Greer is a local-owned transient non-community water system that delivers drinking water to 101 residents in Greer, Arizona (Apache County) through 23 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 157 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 125 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 18 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%).

Crosby Spring at Greer's 157 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
101
Total Violations
157
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Local
Connections
23
County
Apache
School/Daycare
No
MCL Violations
0
Monitoring Violations
125
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2015
Consumer Confidence Rule Other 16 2008
Revised Total Coliform Rule RPT 8 2023
Revised Total Coliform Rule MON 6 2023
Lead and Copper Rule MR 5 2008
Endothall MR 4 2001
Fluoride MR 2 1998
Mercury MR 2 1998
cis-1,2-Dichloroethylene MR 2 1998
DICHLOROMETHANE MR 2 1998
o-Dichlorobenzene MR 2 1998
p-Dichlorobenzene MR 2 1998
1,1-Dichloroethylene MR 2 1998
trans-1,2-Dichloroethylene MR 2 1998
1,2-Dichloroethane MR 2 1998
Carbon tetrachloride MR 2 1998
1,2-Dichloropropane MR 2 1998
Trichloroethylene MR 2 1998
1,1,2-Trichloroethane MR 2 1998
Tetrachloroethylene MR 2 1998
Styrene MR 2 1998
Toluene MR 2 1998
Barium MR 2 1998
Arsenic MR 2 1998
Selenium MR 2 1998
1,1,1-Trichloroethane MR 2 1998
Chromium MR 2 1998
Nitrate MR 2 1991
Cadmium MR 2 1998
Gross Alpha, Excl. Radon and U MR 2 1989

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 Crosby Spring at Greer.

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 AZ0401007 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 Crosby Spring at Greer 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
2023 Revised Total Coliform Rule RPT 8 SDWIS / AZ0401007 / 8000
2023 Revised Total Coliform Rule MON 6 SDWIS / AZ0401007 / 8000
2015 Coliform (TCR) MR 18 SDWIS / AZ0401007 / 3100
2013 E. COLI MR 2 SDWIS / AZ0401007 / 3014
2008 Consumer Confidence Rule Other 16 SDWIS / AZ0401007 / 7000
2008 Lead and Copper Rule MR 5 SDWIS / AZ0401007 / 5000
2001 Endothall MR 4 SDWIS / AZ0401007 / 2033
1998 Fluoride MR 2 SDWIS / AZ0401007 / 1025
1998 Mercury MR 2 SDWIS / AZ0401007 / 1035
1998 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0401007 / 2380
1998 DICHLOROMETHANE MR 2 SDWIS / AZ0401007 / 2964
1998 o-Dichlorobenzene MR 2 SDWIS / AZ0401007 / 2968
1998 p-Dichlorobenzene MR 2 SDWIS / AZ0401007 / 2969
1998 1,1-Dichloroethylene MR 2 SDWIS / AZ0401007 / 2977
1998 trans-1,2-Dichloroethylene MR 2 SDWIS / AZ0401007 / 2979

How Crosby Spring at Greer Compares

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

Metric Crosby Spring at Greer Arizona avg Federal benchmark
Total violations 157 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 101 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 Crosby Spring at Greer water safe to drink? ▼
Crosby Spring at Greer (PWS ID: AZ0401007) has 157 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 101 people using Groundwater sources.
How many people does Crosby Spring at Greer serve? ▼
Crosby Spring at Greer serves 101 people in Greer, Arizona. It is a Local-owned system using Groundwater water sources with 23 service connections.
What type of violations does Crosby Spring at Greer have? ▼
Crosby Spring at Greer has 157 total violations: 0 health-based violations (MCL exceedances or treatment failures), 125 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Crosby Spring at Greer water? ▼
No PFAS testing data is available for Crosby Spring at Greer under the EPA's UCMR5 monitoring program.
What water source does Crosby Spring at Greer use? ▼
Crosby Spring at Greer uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.