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CATALINA COUNTRY ESTATES

PWS ID: AZ0420500 · TUCSON, Arizona 85739-9058

CATALINA COUNTRY ESTATES serves 77 people in TUCSON, Arizona using Groundwater water sources. It has 120 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CATALINA COUNTRY ESTATES

CATALINA COUNTRY ESTATES is a public/private-owned community water system that delivers drinking water to 77 residents in TUCSON, Arizona (Pima County) through 52 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 120 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 107 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 38 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. CATALINA COUNTRY ESTATES's 120 violations sit below the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). 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
77
Total Violations
120
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
52
County
Pima
School/Daycare
No
MCL Violations
0
Monitoring Violations
107
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 38 2014
Nitrate MR 9 2000
Consumer Confidence Rule Other 8 2008
Gross Alpha, Excl. Radon and U MR 4 2004
cis-1,2-Dichloroethylene MR 2 1999
Xylenes, Total MR 2 1999
DICHLOROMETHANE MR 2 1999
o-Dichlorobenzene MR 2 1999
p-Dichlorobenzene MR 2 1999
1,1,1-Trichloroethane MR 2 1999
Carbon tetrachloride MR 2 1999
1,2-Dichloropropane MR 2 1999
Tetrachloroethylene MR 2 1999
CHLOROBENZENE MR 2 1999
Toluene MR 2 1999
Ethylbenzene MR 2 1999
1,1-Dichloroethylene MR 2 1999
trans-1,2-Dichloroethylene MR 2 1999
1,2-Dichloroethane MR 2 1999
Trichloroethylene MR 2 1999
1,1,2-Trichloroethane MR 2 1999
Benzene MR 2 1999
Styrene MR 2 1999
Lead and Copper Rule MR 2 2021
Revised Total Coliform Rule RPT 2 2021
Arsenic MR 2 1991
Cadmium MR 2 1991
Chromium MR 2 1991
Barium MR 2 1991
1,2,4-Trichlorobenzene MR 2 1999

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 CATALINA COUNTRY ESTATES.

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 AZ0420500 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 CATALINA COUNTRY ESTATES 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
2021 Lead and Copper Rule MR 2 SDWIS / AZ0420500 / 5000
2021 Revised Total Coliform Rule RPT 2 SDWIS / AZ0420500 / 8000
2014 Coliform (TCR) MR 38 SDWIS / AZ0420500 / 3100
2008 Consumer Confidence Rule Other 8 SDWIS / AZ0420500 / 7000
2004 Gross Alpha, Excl. Radon and U MR 4 SDWIS / AZ0420500 / 4000
2004 Combined Uranium MR 1 SDWIS / AZ0420500 / 4006
2004 Radium-228 MR 1 SDWIS / AZ0420500 / 4030
2000 Nitrate MR 9 SDWIS / AZ0420500 / 1040
2000 Benzo(a)pyrene MR 1 SDWIS / AZ0420500 / 2306
1999 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0420500 / 2380
1999 Xylenes, Total MR 2 SDWIS / AZ0420500 / 2955
1999 DICHLOROMETHANE MR 2 SDWIS / AZ0420500 / 2964
1999 o-Dichlorobenzene MR 2 SDWIS / AZ0420500 / 2968
1999 p-Dichlorobenzene MR 2 SDWIS / AZ0420500 / 2969
1999 1,1,1-Trichloroethane MR 2 SDWIS / AZ0420500 / 2981

How CATALINA COUNTRY ESTATES Compares

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

Metric CATALINA COUNTRY ESTATES Arizona avg Federal benchmark
Total violations 120 153.3 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 77 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CATALINA COUNTRY ESTATES water safe to drink? ▼
CATALINA COUNTRY ESTATES (PWS ID: AZ0420500) has 120 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 77 people using Groundwater sources.
How many people does CATALINA COUNTRY ESTATES serve? ▼
CATALINA COUNTRY ESTATES serves 77 people in TUCSON, Arizona. It is a Public/Private-owned system using Groundwater water sources with 52 service connections.
What type of violations does CATALINA COUNTRY ESTATES have? ▼
CATALINA COUNTRY ESTATES has 120 total violations: 0 health-based violations (MCL exceedances or treatment failures), 107 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CATALINA COUNTRY ESTATES water? ▼
No PFAS testing data is available for CATALINA COUNTRY ESTATES under the EPA's UCMR5 monitoring program.
What water source does CATALINA COUNTRY ESTATES use? ▼
CATALINA COUNTRY ESTATES 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.

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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.

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