States → Arizona

Non-Transient Non-Community Water System · PWS AZ0414083

Usmc Air Station - Cannon Complex

Yuma, Arizona 85365 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

100
People served: 109
EPA violations: 0
Health-based: Untested
UCMR5 result

The verdict

EPA records 109 drinking-water violations at Usmc Air Station - Cannon Complex - below the Arizona per-system average.

109
Total EPA violations on record: 0%
Health-based (MCL / treatment failure): 100
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Usmc Air Station - Cannon Complex

Usmc Air Station - Cannon Complex is a federal-owned non-transient non-community water system that delivers drinking water to 100 residents in Yuma, Arizona (Yuma County) through 34 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 109 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 97 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 Coliform (TCR), recorded in 21 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%).

Usmc Air Station - Cannon Complex's 109 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

100

Total Violations

109

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Non-Transient Non-Community
Owner Type: Federal
Connections: 34
County: Yuma
School/Daycare: No
MCL Violations: 0
Monitoring Violations: 97
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	21	2014
Chlorine	MR	16	2025
Revised Total Coliform Rule	RPT	11	2025
2,3,7,8-TCDD	MR	3	2006
1,2-DIBROMO-3-CHLOROPROPANE	MR	3	2006
ETHYLENE DIBROMIDE	MR	3	2006
1,2,4-Trichlorobenzene	MR	2	2019
cis-1,2-Dichloroethylene	MR	2	2019
Xylenes, Total	MR	2	2019
p-Dichlorobenzene	MR	2	2019
Vinyl chloride	MR	2	2019
1,1-Dichloroethylene	MR	2	2019
Carbon tetrachloride	MR	2	2019
1,2-Dichloropropane	MR	2	2019
1,1,2-Trichloroethane	MR	2	2019
Tetrachloroethylene	MR	2	2019
Benzene	MR	2	2019
Toluene	MR	2	2019
Lead and Copper Rule	MR	2	2019
CHLOROBENZENE	MR	2	2019
trans-1,2-Dichloroethylene	MR	2	2019
Trichloroethylene	MR	2	2019
1,1,1-Trichloroethane	MR	2	2019
Ethylbenzene	MR	2	2019
Styrene	MR	2	2019
Diquat	MR	2	2006
Di(2-ethylhexyl) phthalate	MR	2	2016
DICHLOROMETHANE	MR	2	2019
o-Dichlorobenzene	MR	2	2019
1,2-Dichloroethane	MR	2	2019

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 Usmc Air Station - Cannon 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 AZ0414083 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 Usmc Air Station - Cannon 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
2025	Chlorine	MR	16	SDWIS / AZ0414083 / 0999
2025	Revised Total Coliform Rule	RPT	11	SDWIS / AZ0414083 / 8000
2019	1,2,4-Trichlorobenzene	MR	2	SDWIS / AZ0414083 / 2378
2019	cis-1,2-Dichloroethylene	MR	2	SDWIS / AZ0414083 / 2380
2019	Xylenes, Total	MR	2	SDWIS / AZ0414083 / 2955
2019	p-Dichlorobenzene	MR	2	SDWIS / AZ0414083 / 2969
2019	Vinyl chloride	MR	2	SDWIS / AZ0414083 / 2976
2019	1,1-Dichloroethylene	MR	2	SDWIS / AZ0414083 / 2977
2019	Carbon tetrachloride	MR	2	SDWIS / AZ0414083 / 2982
2019	1,2-Dichloropropane	MR	2	SDWIS / AZ0414083 / 2983
2019	1,1,2-Trichloroethane	MR	2	SDWIS / AZ0414083 / 2985
2019	Tetrachloroethylene	MR	2	SDWIS / AZ0414083 / 2987
2019	Benzene	MR	2	SDWIS / AZ0414083 / 2990
2019	Toluene	MR	2	SDWIS / AZ0414083 / 2991
2019	Lead and Copper Rule	MR	2	SDWIS / AZ0414083 / 5000

How Usmc Air Station - Cannon Complex Compares

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

Metric	Usmc Air Station - Cannon Complex	Arizona avg	Federal benchmark
Total violations	109	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	100	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 Usmc Air Station - Cannon Complex water safe to drink? ▼

Usmc Air Station - Cannon Complex (PWS ID: AZ0414083) has 109 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.

How many people does Usmc Air Station - Cannon Complex serve? ▼

Usmc Air Station - Cannon Complex serves 100 people in Yuma, Arizona. It is a Federal-owned system using Groundwater water sources with 34 service connections.

What type of violations does Usmc Air Station - Cannon Complex have? ▼

Usmc Air Station - Cannon Complex has 109 total violations: 0 health-based violations (MCL exceedances or treatment failures), 97 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Usmc Air Station - Cannon Complex water? ▼

No PFAS testing data is available for Usmc Air Station - Cannon Complex under the EPA's UCMR5 monitoring program.

What water source does Usmc Air Station - Cannon Complex use? ▼

Usmc Air Station - Cannon Complex 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.