Community Water System · PWS AZ0414322

Laguna Mobile Home and RV Park

Rancho Cucamonga, Arizona 91701 - drinking water served from groundwater sources to 450 people, tracked in EPA SDWIS and UCMR5.

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

450
People served: 388
EPA violations: 72
Health-based: Untested
UCMR5 result

The verdict

EPA records 388 drinking-water violations at Laguna Mobile Home and RV Park, 19% of them health-based - above the Arizona per-system average.

388
Total EPA violations on record: 19%
Health-based (MCL / treatment failure): 450
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Laguna Mobile Home and RV Park

Laguna Mobile Home and RV Park is a public/private-owned community water system that delivers drinking water to 450 residents in Rancho Cucamonga, Arizona (Yuma County) through 102 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 388 total violations for this system , of which 72 (19%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 246 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 Arsenic, recorded in 74 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%).

Laguna Mobile Home and RV Park's 388 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

450

Total Violations

388

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Public/Private
Connections: 102
County: Yuma
School/Daycare: No
MCL Violations: 70
Monitoring Violations: 246
Treatment Tech Violations: 2

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Arsenic	MR	74	2019
Arsenic	MCL	70	2016
Consumer Confidence Rule	Other	48	2022
Coliform (TCR)	MR	30	2015
Lead and Copper Rule	MR	25	2025
Revised Total Coliform Rule	MON	16	2024
Revised Total Coliform Rule	RPT	12	2025
Nitrate	MR	3	2002
cis-1,2-Dichloroethylene	MR	3	2002
DICHLOROMETHANE	MR	3	2002
o-Dichlorobenzene	MR	3	2002
trans-1,2-Dichloroethylene	MR	3	2002
Tetrachloroethylene	MR	3	2002
CHLOROBENZENE	MR	3	2002
Ethylbenzene	MR	3	2002
1,2-Dichloropropane	MR	3	2002
1,1,2-Trichloroethane	MR	3	2002
Styrene	MR	3	2002
Public Notice	Other	3	2024
Toluene	MR	3	2002
Gross Alpha, Excl. Radon and U	MR	3	1988
E. COLI	MR	3	2019
Xylenes, Total	MR	2	2002
1,1-Dichloroethylene	MR	2	1998
1,1,1-Trichloroethane	MR	2	1998
Carbon tetrachloride	MR	2	1998
Trichloroethylene	MR	2	1998
Benzene	MR	2	1998
p-Dichlorobenzene	MR	2	1998
LEAD AND COPPER RULE REVISIONS	RPT	2	2024

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 Laguna Mobile Home and RV Park.

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 AZ0414322 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 Laguna Mobile Home and RV Park 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	Lead and Copper Rule	MR	25	SDWIS / AZ0414322 / 5000
2025	Revised Total Coliform Rule	RPT	12	SDWIS / AZ0414322 / 8000
2024	Revised Total Coliform Rule	MON	16	SDWIS / AZ0414322 / 8000
2024	Public Notice	Other	3	SDWIS / AZ0414322 / 7500
2024	LEAD AND COPPER RULE REVISIONS	RPT	2	SDWIS / AZ0414322 / 5200
2024	LEAD AND COPPER RULE REVISIONS	TT	2	SDWIS / AZ0414322 / 5200
2022	Consumer Confidence Rule	Other	48	SDWIS / AZ0414322 / 7000
2019	Arsenic	MR	74	SDWIS / AZ0414322 / 1005
2019	E. COLI	MR	3	SDWIS / AZ0414322 / 3014
2016	Arsenic	MCL	70	SDWIS / AZ0414322 / 1005
2015	Coliform (TCR)	MR	30	SDWIS / AZ0414322 / 3100
2002	Nitrate	MR	3	SDWIS / AZ0414322 / 1040
2002	cis-1,2-Dichloroethylene	MR	3	SDWIS / AZ0414322 / 2380
2002	DICHLOROMETHANE	MR	3	SDWIS / AZ0414322 / 2964
2002	o-Dichlorobenzene	MR	3	SDWIS / AZ0414322 / 2968

How Laguna Mobile Home and RV Park Compares

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

Metric	Laguna Mobile Home and RV Park	Arizona avg	Federal benchmark
Total violations	388	153.3	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	72	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	450	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 Laguna Mobile Home and RV Park water safe to drink? ▼

Laguna Mobile Home and RV Park (PWS ID: AZ0414322) has 388 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 450 people using Groundwater sources.

How many people does Laguna Mobile Home and RV Park serve? ▼

Laguna Mobile Home and RV Park serves 450 people in Rancho Cucamonga, Arizona. It is a Public/Private-owned system using Groundwater water sources with 102 service connections.

What type of violations does Laguna Mobile Home and RV Park have? ▼

Laguna Mobile Home and RV Park has 388 total violations: 72 health-based violations (MCL exceedances or treatment failures), 246 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Laguna Mobile Home and RV Park water? ▼

No PFAS testing data is available for Laguna Mobile Home and RV Park under the EPA's UCMR5 monitoring program.

What water source does Laguna Mobile Home and RV Park use? ▼

Laguna Mobile Home and RV Park 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.