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Tap water quality report

Fort Mcdowell Community

EPA monitoring tested this supplier for 97 contaminants and detected 11. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

97
contaminants tested
11
detected
7,260
people served
23
health-based violations
Arizona rankingsLead in ArizonaPFAS in Arizona
Water source
Ground water
Ownership
Native American

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

23
health-based violations
90
violations on file
0
still open
ViolationTypeStatusPeriod
MCL Health-based Resolved 2025-01-01 → 2025-03-31
MCL Health-based Resolved 2025-01-01 → 2025-03-31
MCL Health-based Resolved 2025-01-01 → 2025-03-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2024-10-01 → 2024-12-31
MCL Health-based Resolved 2022-07-01 → 2022-09-30
MCL Health-based Resolved 2019-07-01 → 2019-09-30
MCL Health-based Resolved 2013-01-01 → 2013-01-31
MCL Health-based Resolved 2013-01-01 → 2013-01-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
9300 µg/L 93%
of the EPA limit 10000 µg/L
worst single sample: 11000 µg/L
216/216 SYR4 2012–2019
Arsenic
11 µg/L 110%
of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 13 µg/L
84/84 SYR4 2012–2019
TTHM
76 µg/L 95%
of the EPA limit 80 µg/L
 18/18 SYR4 2012–2019
Total Haloacetic Acids (HAA5)
19 µg/L 32%
of the EPA limit 60 µg/L
 18/18 SYR4 2012–2019
Lead
0.0039 mg/L 26%
of the EPA limit 0.0150 mg/L
 15/15 LCR 2025
Barium
47.065 µg/L 2.4%
of the EPA limit 2000 µg/L
worst single sample: 47.8 µg/L
2/2 SYR4 2019
Chromium
1.8925 µg/L 1.9%
of the EPA limit 100 µg/L
worst single sample: 1.93 µg/L
2/2 SYR4 2019
Combined Uranium
2.57 µg/L 8.6%
of the EPA limit 30 µg/L
worst single sample: 2.6 µg/L
2/2 SYR4 2016
Fluoride
534.85 µg/L 13%
of the EPA limit 4000 µg/L
worst single sample: 535 µg/L
2/2 SYR4 2019
Selenium
1.02665 µg/L 2.1%
of the EPA limit 50 µg/L
worst single sample: 1.04 µg/L
2/2 SYR4 2019
Lithium
40.9 µg/L
No EPA limit set
 1/1 UCMR-5 2025
86 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 Fts6:2 Fts8:2 Fts9Cl-PF3ONSAdonaAntimony, TotalAsbestosAtrazineBhc-GammaBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCyanideCadmiumCarbon TetrachlorideChlordaneCombined Radium (-226 And -228)DichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebEthylene DibromideEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon And UHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMercuryMethoxychlorNetfosaaNfdhaNmefosaaNitritePfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfhxaPFHXSPfmbaPfmpaPFNAPFOAPFOSPfpeaPfpesPftaPftrdaPfunaPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
Sandra Pattea
Phone
4807897000
Email
[email protected]

Frequently asked questions about Fort Mcdowell Community

Is Fort Mcdowell Community tap water safe to drink?

EPA monitoring detected 11 contaminants in Fort Mcdowell Community's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Fort Mcdowell Community's water?

EPA monitoring detected Nitrate, Arsenic, TTHM, Total Haloacetic Acids (HAA5), Lead, and others. The full list with the level and data source for each is above.

How many people does Fort Mcdowell Community serve?

Fort Mcdowell Community reports serving 7,260 people in Arizona, per its EPA record.

Has Fort Mcdowell Community had any water quality violations?

The EPA has 90 violations on file for Fort Mcdowell Community, of which 23 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.