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MISSION PALMS APARTMENTS

PWS ID: AZ0420570 · TUCSON, Arizona 85704

MISSION PALMS APARTMENTS serves 720 people in TUCSON, Arizona using Groundwater water sources. It has 153 recorded EPA violations, including 1 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: MISSION PALMS APARTMENTS

MISSION PALMS APARTMENTS is a public/private-owned community water system that delivers drinking water to 720 residents in TUCSON, Arizona (Pima County) through 360 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 153 total violations for this system , of which 1 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 114 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Chlorine, recorded in 39 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 13.4 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. MISSION PALMS APARTMENTS's 153 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
720
Total Violations
153
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
360
County
Pima
School/Daycare
No
MCL Violations
1
Monitoring Violations
114
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 39 2022
Coliform (TCR) MR 21 2014
Consumer Confidence Rule Other 21 2021
TTHM MR 7 2021
Total Haloacetic Acids (HAA5) MR 7 2021
Lead and Copper Rule MR 5 2019
Revised Total Coliform Rule RPT 5 2023
Public Notice Other 2 2020
Dalapon MR 1 1999
Diquat MR 1 1999
Endothall MR 1 1999
OXAMYL MR 1 1999
Di(2-ethylhexyl) phthalate MR 1 1999
Picloram MR 1 1999
Dinoseb MR 1 1999
Heptachlor MR 1 1999
2,4,5-TP MR 1 1999
HEXACHLOROBENZENE MR 1 1999
Endrin MR 1 1999
BHC-GAMMA MR 1 1999
Toxaphene MR 1 1999
Selenium MR 1 1990
Fluoride MR 1 1990
Cadmium MR 1 1990
Arsenic MR 1 1990
Barium MR 1 1990
Chlordane MR 1 1999
Benzo(a)pyrene MR 1 1999
Hexachlorocyclopentadiene MR 1 1999
Di(2-ethylhexyl) adipate MR 1 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 7/24/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/24/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 7/24/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/24/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/24/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 7/24/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/24/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 7/24/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/24/2023 13.0000 µg/L 9 µg/L Detected
8:2 FTS 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/24/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/24/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 7/24/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/24/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/24/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 2/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 2/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 2/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 2/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 2/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 2/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 2/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFEESA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 2/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 2/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 2/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 2/20/2024 <0.003 µg/L 0.003 µg/L Not Detected

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 MISSION PALMS APARTMENTS.

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 AZ0420570 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 MISSION PALMS APARTMENTS 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
2023 Revised Total Coliform Rule RPT 5 SDWIS / AZ0420570 / 8000
2022 Chlorine MR 39 SDWIS / AZ0420570 / 0999
2021 Consumer Confidence Rule Other 21 SDWIS / AZ0420570 / 7000
2021 TTHM MR 7 SDWIS / AZ0420570 / 2950
2021 Total Haloacetic Acids (HAA5) MR 7 SDWIS / AZ0420570 / 2456
2020 Public Notice Other 2 SDWIS / AZ0420570 / 7500
2019 Lead and Copper Rule MR 5 SDWIS / AZ0420570 / 5000
2014 Coliform (TCR) MR 21 SDWIS / AZ0420570 / 3100
2006 Coliform (TCR) MCL 1 SDWIS / AZ0420570 / 3100
1999 Dalapon MR 1 SDWIS / AZ0420570 / 2031
1999 Diquat MR 1 SDWIS / AZ0420570 / 2032
1999 Endothall MR 1 SDWIS / AZ0420570 / 2033
1999 OXAMYL MR 1 SDWIS / AZ0420570 / 2036
1999 Di(2-ethylhexyl) phthalate MR 1 SDWIS / AZ0420570 / 2039
1999 Picloram MR 1 SDWIS / AZ0420570 / 2040

How MISSION PALMS APARTMENTS Compares

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

Metric MISSION PALMS APARTMENTS Arizona avg Federal benchmark
Total violations 153 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 720 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 MISSION PALMS APARTMENTS water safe to drink? ▼
MISSION PALMS APARTMENTS (PWS ID: AZ0420570) has 153 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 720 people using Groundwater sources.
How many people does MISSION PALMS APARTMENTS serve? ▼
MISSION PALMS APARTMENTS serves 720 people in TUCSON, Arizona. It is a Public/Private-owned system using Groundwater water sources with 360 service connections.
What type of violations does MISSION PALMS APARTMENTS have? ▼
MISSION PALMS APARTMENTS has 153 total violations: 1 health-based violations (MCL exceedances or treatment failures), 114 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MISSION PALMS APARTMENTS water? ▼
Yes. UCMR5 testing detected 1 PFAS compound in MISSION PALMS APARTMENTS's water supply: lithium. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does MISSION PALMS APARTMENTS use? ▼
MISSION PALMS APARTMENTS 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial