PlainWater

Community Water System · PWS AZ0410173

Gw Ocotillo Water - Rancho del Sol Lindo

Maricopa, Arizona 85138 - drinking water served from groundwater sources to 3,128 people, tracked in EPA SDWIS and UCMR5.

3,128
People served
39
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 39 drinking-water violations at Gw Ocotillo Water - Rancho del Sol Lindo - below the Arizona per-system average.

39
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
3,128
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gw Ocotillo Water - Rancho del Sol Lindo

Gw Ocotillo Water - Rancho del Sol Lindo is a local-owned community water system that delivers drinking water to 3,128 residents in Maricopa, Arizona (Pima County) through 1,177 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 39 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 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 4 violations (Other). 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%).

Gw Ocotillo Water - Rancho del Sol Lindo's 39 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
3,128
Total Violations
39
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,177
County
Pima
School/Daycare
No
MCL Violations
0
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 4 2006
Total Haloacetic Acids (HAA5) MR 3 2006
TTHM MR 3 2006
Coliform (TCR) MR 2 2004
Trichloroethylene MR 1 2002
1,1,2-Trichloroethane MR 1 2002
CHLOROBENZENE MR 1 2002
Benzene MR 1 2002
Toluene MR 1 2002
Styrene MR 1 2002
Lead and Copper Rule MR 1 2006
cis-1,2-Dichloroethylene MR 1 2002
o-Dichlorobenzene MR 1 2002
Fluoride MR 1 1987
Nitrate MR 1 1987
Barium MR 1 1987
Selenium MR 1 1987
1,1,1-Trichloroethane MR 1 2002
Tetrachloroethylene MR 1 2002
Chlorine MR 1 2004
p-Dichlorobenzene MR 1 2002
trans-1,2-Dichloroethylene MR 1 2002
1,1-Dichloroethylene MR 1 2002
Chromium MR 1 1987
Mercury MR 1 1987
1,2-Dichloropropane MR 1 2002
Ethylbenzene MR 1 2002
Cadmium MR 1 1987
Carbon tetrachloride MR 1 2002
Glyphosate 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 Gw Ocotillo Water - Rancho del Sol Lindo.

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 AZ0410173 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 Gw Ocotillo Water - Rancho del Sol Lindo 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
2006 Consumer Confidence Rule Other 4 SDWIS / AZ0410173 / 7000
2006 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0410173 / 2456
2006 TTHM MR 3 SDWIS / AZ0410173 / 2950
2006 Lead and Copper Rule MR 1 SDWIS / AZ0410173 / 5000
2004 Coliform (TCR) MR 2 SDWIS / AZ0410173 / 3100
2004 Chlorine MR 1 SDWIS / AZ0410173 / 0999
2004 Glyphosate MR 1 SDWIS / AZ0410173 / 2034
2002 Trichloroethylene MR 1 SDWIS / AZ0410173 / 2984
2002 1,1,2-Trichloroethane MR 1 SDWIS / AZ0410173 / 2985
2002 CHLOROBENZENE MR 1 SDWIS / AZ0410173 / 2989
2002 Benzene MR 1 SDWIS / AZ0410173 / 2990
2002 Toluene MR 1 SDWIS / AZ0410173 / 2991
2002 Styrene MR 1 SDWIS / AZ0410173 / 2996
2002 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0410173 / 2380
2002 o-Dichlorobenzene MR 1 SDWIS / AZ0410173 / 2968

How Gw Ocotillo Water - Rancho del Sol Lindo Compares

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

Metric Gw Ocotillo Water - Rancho del Sol Lindo Arizona avg Federal benchmark
Total violations 39 153.3 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 3,128 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 Gw Ocotillo Water - Rancho del Sol Lindo water safe to drink?
Gw Ocotillo Water - Rancho del Sol Lindo (PWS ID: AZ0410173) has 39 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,128 people using Groundwater sources.
How many people does Gw Ocotillo Water - Rancho del Sol Lindo serve?
Gw Ocotillo Water - Rancho del Sol Lindo serves 3,128 people in Maricopa, Arizona. It is a Local-owned system using Groundwater water sources with 1,177 service connections.
What type of violations does Gw Ocotillo Water - Rancho del Sol Lindo have?
Gw Ocotillo Water - Rancho del Sol Lindo has 39 total violations: 0 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gw Ocotillo Water - Rancho del Sol Lindo water?
No PFAS testing data is available for Gw Ocotillo Water - Rancho del Sol Lindo under the EPA's UCMR5 monitoring program.
What water source does Gw Ocotillo Water - Rancho del Sol Lindo use?
Gw Ocotillo Water - Rancho del Sol Lindo 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.