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Community Water System · PWS AZ0407526

City of Buckeye Tartesso Water System

Buckeye, Arizona 85326 - drinking water served from groundwater sources to 10,123 people, tracked in EPA SDWIS and UCMR5.

10,123
People served
62
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 62 drinking-water violations at City of Buckeye Tartesso Water System, 3% of them health-based - below the Arizona per-system average.

62
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
10,123
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: City of Buckeye Tartesso Water System

City of Buckeye Tartesso Water System is a local-owned community water system that delivers drinking water to 10,123 residents in Buckeye, Arizona (Maricopa County) through 3,460 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 62 total violations for this system , of which 2 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 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 17 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%).

City of Buckeye Tartesso Water System's 62 violations sit below 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
10,123
Total Violations
62
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,460
County
Maricopa
School/Daycare
No
MCL Violations
2
Monitoring Violations
52
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2014
Chlorine MR 12 2023
Revised Total Coliform Rule RPT 3 2018
Consumer Confidence Rule Other 3 2012
Coliform (TCR) MCL 2 2014
1,2,4-Trichlorobenzene MR 1 2006
cis-1,2-Dichloroethylene MR 1 2006
Xylenes, Total MR 1 2006
DICHLOROMETHANE MR 1 2006
o-Dichlorobenzene MR 1 2006
1,1-Dichloroethylene MR 1 2006
trans-1,2-Dichloroethylene MR 1 2006
1,2-Dichloroethane MR 1 2006
1,1,1-Trichloroethane MR 1 2006
Carbon tetrachloride MR 1 2006
1,1,2-Trichloroethane MR 1 2006
Toluene MR 1 2006
Ethylbenzene MR 1 2006
TTHM MR 1 2010
Vinyl chloride MR 1 2006
Tetrachloroethylene MR 1 2006
Benzene MR 1 2006
1,2-Dichloropropane MR 1 2006
Total Haloacetic Acids (HAA5) MR 1 2010
Trichloroethylene MR 1 2006
p-Dichlorobenzene MR 1 2006
CHLOROBENZENE MR 1 2006
Styrene MR 1 2006

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 City of Buckeye Tartesso Water System.

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 AZ0407526 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 City of Buckeye Tartesso Water System 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 Chlorine MR 12 SDWIS / AZ0407526 / 0999
2018 Revised Total Coliform Rule RPT 3 SDWIS / AZ0407526 / 8000
2014 Coliform (TCR) MR 17 SDWIS / AZ0407526 / 3100
2014 Coliform (TCR) MCL 2 SDWIS / AZ0407526 / 3100
2012 Consumer Confidence Rule Other 3 SDWIS / AZ0407526 / 7000
2010 TTHM MR 1 SDWIS / AZ0407526 / 2950
2010 Total Haloacetic Acids (HAA5) MR 1 SDWIS / AZ0407526 / 2456
2006 1,2,4-Trichlorobenzene MR 1 SDWIS / AZ0407526 / 2378
2006 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0407526 / 2380
2006 Xylenes, Total MR 1 SDWIS / AZ0407526 / 2955
2006 DICHLOROMETHANE MR 1 SDWIS / AZ0407526 / 2964
2006 o-Dichlorobenzene MR 1 SDWIS / AZ0407526 / 2968
2006 1,1-Dichloroethylene MR 1 SDWIS / AZ0407526 / 2977
2006 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0407526 / 2979
2006 1,2-Dichloroethane MR 1 SDWIS / AZ0407526 / 2980

How City of Buckeye Tartesso Water System Compares

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

Metric City of Buckeye Tartesso Water System Arizona avg Federal benchmark
Total violations 62 153.3 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 10,123 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 City of Buckeye Tartesso Water System water safe to drink?
City of Buckeye Tartesso Water System (PWS ID: AZ0407526) has 62 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 10,123 people using Groundwater sources.
How many people does City of Buckeye Tartesso Water System serve?
City of Buckeye Tartesso Water System serves 10,123 people in Buckeye, Arizona. It is a Local-owned system using Groundwater water sources with 3,460 service connections.
What type of violations does City of Buckeye Tartesso Water System have?
City of Buckeye Tartesso Water System has 62 total violations: 2 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in City of Buckeye Tartesso Water System water?
No PFAS testing data is available for City of Buckeye Tartesso Water System under the EPA's UCMR5 monitoring program.
What water source does City of Buckeye Tartesso Water System use?
City of Buckeye Tartesso Water System 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.
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.