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Community Water System · PWS AZ0411115

Cca - Eloy Complex

Eloy, Arizona 85131 - drinking water served from groundwater sources to 8,852 people, tracked in EPA SDWIS and UCMR5.

8,852
People served
196
EPA violations
2
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 196 drinking-water violations at Cca - Eloy Complex, 1% of them health-based - above the Arizona per-system average.

196
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
8,852
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cca - Eloy Complex

Cca - Eloy Complex is a private-owned community water system that delivers drinking water to 8,852 residents in Eloy, Arizona (Pinal County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 196 total violations for this system , of which 2 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 156 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 Chlorine, recorded in 29 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Cca - Eloy Complex's 196 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
8,852
Total Violations
196
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
4
County
Pinal
School/Daycare
No
MCL Violations
2
Monitoring Violations
156
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 29 2018
Coliform (TCR) MR 29 2015
Revised Total Coliform Rule RPT 16 2024
Xylenes, Total MR 14 2001
Arsenic MR 14 2022
Consumer Confidence Rule Other 12 2020
Lead and Copper Rule MR 9 2024
TTHM MR 8 2020
Total Haloacetic Acids (HAA5) MR 8 2020
E. COLI MR 7 2022
Nitrate MR 6 2011
Coliform (TCR) MCL 1 1999
Arsenic MCL 1 2011
Gross Alpha, Excl. Radon and U MR 1 2011
Combined Radium (-226 and -228) MR 1 2011
Endrin MR 1 1999
BHC-GAMMA MR 1 1999
Methoxychlor MR 1 1999
Toxaphene MR 1 1999
Dalapon MR 1 1999
Endothall MR 1 1999
OXAMYL MR 1 1999
Simazine MR 1 1999
Di(2-ethylhexyl) phthalate MR 1 1999
Dinoseb MR 1 1999
Carbofuran MR 1 1999
Atrazine MR 1 1999
LASSO MR 1 1999
Heptachlor MR 1 1999
2,4-D MR 1 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/12/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/12/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/12/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 9/12/2023 <6.00 ppt 6.00 ppt Not Detected
PFBA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/12/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/12/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/12/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/12/2023 <7.00 ppt 7.00 ppt Not Detected
PFPeS 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/12/2023 <20.00 ppt 20.00 ppt Not Detected
PFMBA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/12/2023 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/12/2023 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 9/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/12/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/12/2023 <3.00 ppt 3.00 ppt Not Detected

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 Cca - Eloy Complex.

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 AZ0411115 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 Cca - Eloy Complex 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
2024 Revised Total Coliform Rule RPT 16 SDWIS / AZ0411115 / 8000
2024 Lead and Copper Rule MR 9 SDWIS / AZ0411115 / 5000
2022 Arsenic MR 14 SDWIS / AZ0411115 / 1005
2022 E. COLI MR 7 SDWIS / AZ0411115 / 3014
2020 Consumer Confidence Rule Other 12 SDWIS / AZ0411115 / 7000
2020 TTHM MR 8 SDWIS / AZ0411115 / 2950
2020 Total Haloacetic Acids (HAA5) MR 8 SDWIS / AZ0411115 / 2456
2018 Chlorine MR 29 SDWIS / AZ0411115 / 0999
2015 Coliform (TCR) MR 29 SDWIS / AZ0411115 / 3100
2011 Nitrate MR 6 SDWIS / AZ0411115 / 1040
2011 Arsenic MCL 1 SDWIS / AZ0411115 / 1005
2011 Gross Alpha, Excl. Radon and U MR 1 SDWIS / AZ0411115 / 4000
2011 Combined Radium (-226 and -228) MR 1 SDWIS / AZ0411115 / 4010
2011 Radium-228 MR 1 SDWIS / AZ0411115 / 4030
2011 Combined Uranium MR 1 SDWIS / AZ0411115 / 4006

How Cca - Eloy Complex Compares

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

Metric Cca - Eloy Complex Arizona avg Federal benchmark
Total violations 196 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 8,852 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 Cca - Eloy Complex water safe to drink? ▼
Cca - Eloy Complex (PWS ID: AZ0411115) has 196 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 8,852 people using Groundwater sources.
How many people does Cca - Eloy Complex serve? ▼
Cca - Eloy Complex serves 8,852 people in Eloy, Arizona. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Cca - Eloy Complex have? ▼
Cca - Eloy Complex has 196 total violations: 2 health-based violations (MCL exceedances or treatment failures), 156 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cca - Eloy Complex water? ▼
No. Cca - Eloy Complex was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Cca - Eloy Complex use? ▼
Cca - Eloy Complex uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.