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Tap water quality report

Bisbee, AZ

EPA monitoring detected 21 contaminants across the 4 water suppliers serving Bisbee. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier for each below, with its EPA source and period.

4
water suppliers
12,065
people served
21
contaminants found
Arizona rankings Lead in Arizona PFAS in Arizona

What was found in Bisbee's water

The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
2300 µg/L 23%
of the EPA limit 10000 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
Highest in the city: 6800 µg/L — NACO WATER CO BISBEE · 138 people · 2019
4/4 SYR4
Nitrate-Nitrite
2000 µg/L 20%
of the EPA limit 10000 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2012
Highest in the city: 6800 µg/L — NACO WATER CO BISBEE · 138 people · 2013
4/4 SYR4
Fluoride
1328 µg/L 33%
of the EPA limit 4000 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
4/4 SYR4
Barium
310 µg/L 16%
of the EPA limit 2000 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2012
3/4 SYR4
Copper
190 µg/L 15%
of the EPA limit 1300 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
4/4 SYR4
TTHM
33.98 µg/L 42%
of the EPA limit 80 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
4/4 SYR4
Lead
5.56 µg/L 37%
of the EPA limit 15 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
Highest in the city: 30.47 µg/L — NACO WATER CO BISBEE · 138 people · 2019
4/4 SYR4
Lithium
17 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
Xylenes, Total
6.6 µg/L 0.1%
of the EPA limit 10000 µg/L
Highest in the city: SOUTHERN SUNRISE WC MIRACLE VALLEY · 620 people · 2019
1/4 SYR4
Arsenic
5.4 µg/L 54%
of the EPA limit 10 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2012
4/4 SYR4
Total Haloacetic Acids (HAA5)
4.07 µg/L 6.8%
of the EPA limit 60 µg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2019
3/4 SYR4
Bromoform
1.9 µg/L
No EPA limit set
Highest in the city: NACO WATER CO BISBEE · 138 people · 2019
1/4 SYR4
Chromium
1.79 µg/L 1.8%
of the EPA limit 100 µg/L
Highest in the city: SOUTHERN SUNRISE WC MIRACLE VALLEY · 620 people · 2019
1/4 SYR4
Combined Radium (-226 And -228)
1.3 pCi/L 26%
of the EPA limit 5 pCi/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2015
3/4 SYR4
Ethylbenzene
1.179 µg/L 0.2%
of the EPA limit 700 µg/L
Highest in the city: SOUTHERN SUNRISE WC MIRACLE VALLEY · 620 people · 2019
1/4 SYR4
Pfpea
0.0170 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
PFBS
0.0100 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
Pfhxa
0.0100 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
PFOA
0.0097 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
Pfba
0.0066 µg/L
No EPA limit set
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
1/4 UCMR-5
Lead
0.0 mg/L 0%
of the EPA limit 0.0150 mg/L
Main supplier: ARIZONA WATER CO - BISBEE · 8,707 people · 2025
4/4 LCR
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 the system's samples — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately. These are the utilities' own EPA-reported results, not a city-wide average. A detection means the lab measured the substance — it isn't the same as exceeding a legal limit. Hover a source tag to see the EPA program and years behind each figure.

Water suppliers serving Bisbee

SupplierPopulation served
ARIZONA WATER CO - BISBEE 8,707
BISBEE DOUGLAS INTL AIRPORT 2,600
SOUTHERN SUNRISE WC MIRACLE VALLEY 620
NACO WATER CO BISBEE 138

Frequently asked questions about Bisbee tap water

Is Bisbee tap water safe to drink?

EPA testing detected 21 contaminants in the water serving Bisbee. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.

How many water suppliers serve Bisbee?

4 public water suppliers report drinking-water monitoring for Bisbee, Arizona to the EPA. Each is listed above with its population served.

What contaminants are in Bisbee's water?

The contaminants EPA monitoring detected in Bisbee include Nitrate, Nitrate-Nitrite, Fluoride, Barium, Copper. The full list, with the level at the main supplier and the data source, is in the table above.

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.