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Tap water quality report

Ganado-Burnside-Cornfield-Steamboat Ntua

EPA monitoring tested this supplier for 101 contaminants and detected 16. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

101
contaminants tested
16
detected
3,947
people served
10
health-based violations
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.

10
health-based violations
165
violations on file
1
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2016-08-01
TT Health-based Resolved 2016-08-01
MCL Health-based Resolved 2012-08-01 → 2012-08-31
MCL Health-based Resolved 2012-08-01 → 2012-08-31
MCL Health-based Resolved 2010-10-01 → 2010-12-31
MCL Health-based Resolved 2010-10-01 → 2010-12-31
MCL Health-based Resolved 2008-01-01 → 2008-01-31
MCL Health-based Resolved 2008-01-01 → 2008-01-31
MCL Health-based Resolved 2008-01-01 → 2008-01-31
MCL Health-based Resolved 2008-01-01 → 2008-01-31

PFAS detected

PFAS are industrial “forever chemicals”. These are the EPA's latest nationwide test results (2023–2025).
ContaminantMaxDetection ratePeriod
PFHXS 0.0061 µg/L 2/6 2024
Pfhxa 0.0040 µg/L 1/6 2024
Pfpea 0.0036 µg/L 1/6 2024

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
980 µg/L 9.8%
of the EPA limit 10000 µg/L
48/48 SYR4 2012–2019
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
14/14 LCR 2025
Fluoride
154.5 µg/L 3.9%
of the EPA limit 4000 µg/L
worst single sample: 160 µg/L
12/12 SYR4 2015–2019
TTHM
11.98 µg/L 15%
of the EPA limit 80 µg/L
worst single sample: 13.3 µg/L
12/12 SYR4 2013–2018
Barium
350.4 µg/L 18%
of the EPA limit 2000 µg/L
worst single sample: 382 µg/L
9/9 SYR4 2015–2019
Combined Uranium
3.395 µg/L 11%
of the EPA limit 30 µg/L
worst single sample: 3.5 µg/L
8/8 SYR4 2012–2016
Combined Radium (-226 And -228)
1.525 pCi/L 31%
of the EPA limit 5 pCi/L
worst single sample: 1.7 pCi/L
6/8 SYR4 2012–2016
Lithium
230 µg/L
No EPA limit set
6/6 UCMR-5 2024
Gross Alpha, Excl. Radon And U
4.08 pCi/L 27%
of the EPA limit 15 pCi/L
worst single sample: 4.4 pCi/L
5/8 SYR4 2012–2016
Total Haloacetic Acids (HAA5)
2.2 µg/L 3.7%
of the EPA limit 60 µg/L
4/12 SYR4 2013–2018
Mercury
1.04 µg/L 52%
of the EPA limit 2 µg/L
worst single sample: 1.1 µg/L
3/6 SYR4 2016–2019
Nitrite
380 µg/L 38%
of the EPA limit 1000 µg/L
3/24 SYR4 2012–2019
Arsenic
3.9 µg/L 39%
of the EPA limit 10 µg/L
1/9 SYR4 2015–2019
85 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, TotalChlorobenzeneCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHfpo-DaHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoMethoxychlorNetfosaaNfdhaNmefosaaOxamylPfbaPFBSPfdaPfdoaPfeesaPfhpaPfhpsPfmbaPfmpaPFNAPFOAPFOSPfpesPftaPftrdaPfunaPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
David Shoultz
Phone
9287296277
Email
davids@ntua.com

Frequently asked questions about Ganado-Burnside-Cornfield-Steamboat Ntua

Is Ganado-Burnside-Cornfield-Steamboat Ntua tap water safe to drink?

EPA monitoring detected 16 contaminants in Ganado-Burnside-Cornfield-Steamboat Ntua'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 Ganado-Burnside-Cornfield-Steamboat Ntua's water?

EPA monitoring detected Nitrate, Lead, Fluoride, TTHM, Barium, and others. The full list with the level and data source for each is above.

How many people does Ganado-Burnside-Cornfield-Steamboat Ntua serve?

Ganado-Burnside-Cornfield-Steamboat Ntua reports serving 3,947 people in Arizona, per its EPA record.

Has Ganado-Burnside-Cornfield-Steamboat Ntua had any water quality violations?

The EPA has 165 violations on file for Ganado-Burnside-Cornfield-Steamboat Ntua, of which 10 are health-based (a contaminant limit or required treatment was breached) and 1 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.