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Community Water System · PWS AZ0405003

Eden Water Company Inc

Eden, Arizona 85535 - drinking water served from groundwater sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
324
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 324 drinking-water violations at Eden Water Company Inc, 1% of them health-based - above the Arizona per-system average.

324
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Eden Water Company Inc

Eden Water Company Inc is a private-owned community water system that delivers drinking water to 400 residents in Eden, Arizona (Graham County) through 107 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 324 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 232 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 Chlorine, recorded in 123 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%).

Eden Water Company Inc's 324 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
400
Total Violations
324
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
107
County
Graham
School/Daycare
No
MCL Violations
0
Monitoring Violations
232
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 123 2025
Consumer Confidence Rule Other 39 2023
Total Haloacetic Acids (HAA5) MR 28 2025
TTHM MR 28 2025
Coliform (TCR) MR 24 2016
Lead and Copper Rule MR 22 2023
Revised Total Coliform Rule RPT 13 2025
Public Notice Other 8 2025
Revised Total Coliform Rule MON 4 2025
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 2013
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024
Nitrate MR 1 2004

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 Eden Water Company Inc.

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 AZ0405003 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 Eden Water Company Inc 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 Chlorine MR 123 SDWIS / AZ0405003 / 0999
2025 Total Haloacetic Acids (HAA5) MR 28 SDWIS / AZ0405003 / 2456
2025 TTHM MR 28 SDWIS / AZ0405003 / 2950
2025 Revised Total Coliform Rule RPT 13 SDWIS / AZ0405003 / 8000
2025 Public Notice Other 8 SDWIS / AZ0405003 / 7500
2025 Revised Total Coliform Rule MON 4 SDWIS / AZ0405003 / 8000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / AZ0405003 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / AZ0405003 / 5200
2023 Consumer Confidence Rule Other 39 SDWIS / AZ0405003 / 7000
2023 Lead and Copper Rule MR 22 SDWIS / AZ0405003 / 5000
2016 Coliform (TCR) MR 24 SDWIS / AZ0405003 / 3100
2013 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 2 SDWIS / AZ0405003 / 0600
2004 Nitrate MR 1 SDWIS / AZ0405003 / 1040

How Eden Water Company Inc Compares

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

Metric Eden Water Company Inc Arizona avg Federal benchmark
Total violations 324 153.3 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 400 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 Eden Water Company Inc water safe to drink? ▼
Eden Water Company Inc (PWS ID: AZ0405003) has 324 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Groundwater sources.
How many people does Eden Water Company Inc serve? ▼
Eden Water Company Inc serves 400 people in Eden, Arizona. It is a Private-owned system using Groundwater water sources with 107 service connections.
What type of violations does Eden Water Company Inc have? ▼
Eden Water Company Inc has 324 total violations: 2 health-based violations (MCL exceedances or treatment failures), 232 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Eden Water Company Inc water? ▼
No PFAS testing data is available for Eden Water Company Inc under the EPA's UCMR5 monitoring program.
What water source does Eden Water Company Inc use? ▼
Eden Water Company Inc 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. 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.