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Community Water System · PWS AZ0410138

Marana Municipal - Airline Lambert

Tucson, Arizona 85713 - drinking water served from groundwater sources to 4,568 people, tracked in EPA SDWIS and UCMR5.

4,568
People served
99
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 99 drinking-water violations at Marana Municipal - Airline Lambert - below the Arizona per-system average.

99
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
4,568
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Marana Municipal - Airline Lambert

Marana Municipal - Airline Lambert is a local-owned community water system that delivers drinking water to 4,568 residents in Tucson, Arizona (Pima County) through 1,827 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 99 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 94 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 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%).

Marana Municipal - Airline Lambert's 99 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
4,568
Total Violations
99
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,827
County
Pima
School/Daycare
No
MCL Violations
0
Monitoring Violations
94
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 17 2011
Chlorine MR 12 2021
Nitrate MR 9 2020
Total Haloacetic Acids (HAA5) MR 7 2010
TTHM MR 7 2010
1,1,1-Trichloroethane MR 4 2011
Consumer Confidence Rule Other 3 2017
1,2-Dichloroethane MR 2 2011
Carbon tetrachloride MR 2 2011
1,2-Dichloropropane MR 2 2011
Trichloroethylene MR 2 2011
Tetrachloroethylene MR 2 2011
CHLOROBENZENE MR 2 2011
Benzene MR 2 2011
Toluene MR 2 2011
Styrene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
Xylenes, Total MR 2 2011
o-Dichlorobenzene MR 2 2011
Ethylbenzene MR 2 2011
p-Dichlorobenzene MR 2 2011
1,1-Dichloroethylene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
1,2,4-Trichlorobenzene MR 1 2011
DICHLOROMETHANE MR 1 2011
Vinyl chloride MR 1 2011
1,1,2-Trichloroethane MR 1 2011
Gross Alpha, Excl. Radon and U MR 1 1988
Endothall MR 1 2000

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 Marana Municipal - Airline Lambert.

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 AZ0410138 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 Marana Municipal - Airline Lambert 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 Chlorine MR 12 SDWIS / AZ0410138 / 0999
2020 Nitrate MR 9 SDWIS / AZ0410138 / 1040
2017 Consumer Confidence Rule Other 3 SDWIS / AZ0410138 / 7000
2011 Coliform (TCR) MR 17 SDWIS / AZ0410138 / 3100
2011 1,1,1-Trichloroethane MR 4 SDWIS / AZ0410138 / 2981
2011 1,2-Dichloroethane MR 2 SDWIS / AZ0410138 / 2980
2011 Carbon tetrachloride MR 2 SDWIS / AZ0410138 / 2982
2011 1,2-Dichloropropane MR 2 SDWIS / AZ0410138 / 2983
2011 Trichloroethylene MR 2 SDWIS / AZ0410138 / 2984
2011 Tetrachloroethylene MR 2 SDWIS / AZ0410138 / 2987
2011 CHLOROBENZENE MR 2 SDWIS / AZ0410138 / 2989
2011 Benzene MR 2 SDWIS / AZ0410138 / 2990
2011 Toluene MR 2 SDWIS / AZ0410138 / 2991
2011 Styrene MR 2 SDWIS / AZ0410138 / 2996
2011 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0410138 / 2380

How Marana Municipal - Airline Lambert Compares

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

Metric Marana Municipal - Airline Lambert Arizona avg Federal benchmark
Total violations 99 153.3 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 4,568 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 Marana Municipal - Airline Lambert water safe to drink? ▼
Marana Municipal - Airline Lambert (PWS ID: AZ0410138) has 99 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,568 people using Groundwater sources.
How many people does Marana Municipal - Airline Lambert serve? ▼
Marana Municipal - Airline Lambert serves 4,568 people in Tucson, Arizona. It is a Local-owned system using Groundwater water sources with 1,827 service connections.
What type of violations does Marana Municipal - Airline Lambert have? ▼
Marana Municipal - Airline Lambert has 99 total violations: 0 health-based violations (MCL exceedances or treatment failures), 94 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Marana Municipal - Airline Lambert water? ▼
No PFAS testing data is available for Marana Municipal - Airline Lambert under the EPA's UCMR5 monitoring program.
What water source does Marana Municipal - Airline Lambert use? ▼
Marana Municipal - Airline Lambert 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.