← Westminster, CO

Tap water quality report

ZIP 80234 — Westminster, CO

EPA monitoring across the 3 water suppliers serving ZIP 80234 in Westminster, CO detected 32 contaminants. A detection doesn't automatically mean the water is unsafe — see the highest level found below, with the EPA limit for each.

3
water suppliers
357,158
people served
32
contaminants found

What was found in ZIP 80234

The highest level seen across the suppliers serving this ZIP, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Fluoride
970 µg/L 24%
of the EPA limit 4000 µg/L
3/3 SYR4
Nitrate
150 µg/L 1.5%
of the EPA limit 10000 µg/L
2/3 SYR4
Nitrate-Nitrite
150 µg/L 1.5%
of the EPA limit 10000 µg/L
2/3 SYR4
Nitrite
60 µg/L 6%
of the EPA limit 1000 µg/L
1/3 SYR4
Barium
57 µg/L 2.9%
of the EPA limit 2000 µg/L
3/3 SYR4
TTHM
55.4 µg/L 69%
of the EPA limit 80 µg/L
3/3 SYR4
Total Haloacetic Acids (HAA5)
48.2 µg/L 80%
of the EPA limit 60 µg/L
3/3 SYR4
Chloroform
22.5 µg/L
No EPA limit set
3/3 SYR4
Lithium
21.3 µg/L
No EPA limit set
2/3 UCMR-5
Bromodichloromethane
18 µg/L
No EPA limit set
3/3 SYR4
Dichloroacetic Acid
13.85 µg/L
No EPA limit set
3/3 SYR4
Trichloroacetic Acid
10 µg/L
No EPA limit set
3/3 SYR4
Dibromochloromethane
9.54 µg/L
No EPA limit set
3/3 SYR4
Monobromoacetic Acid
4.58 µg/L
No EPA limit set
1/3 SYR4
Dibromoacetic Acid
3.83 µg/L
No EPA limit set
2/3 SYR4
Monochloroacetic Acid
2.1 µg/L
No EPA limit set
2/3 SYR4
Bromoform
1.25 µg/L
No EPA limit set
2/3 SYR4
Combined Uranium
1.1 µg/L 3.7%
of the EPA limit 30 µg/L
2/3 SYR4
Chromium
1 µg/L 1%
of the EPA limit 100 µg/L
2/3 SYR4
Gross Alpha, Excl. Radon And U
0.8000 pCi/L 5.3%
of the EPA limit 15 pCi/L
2/3 SYR4
Di(2-ethylhexyl) Phthalate
0.7000 µg/L 12%
of the EPA limit 6 µg/L
1/3 SYR4
Xylenes, Total
0.6800 µg/L 0%
of the EPA limit 10000 µg/L
1/3 SYR4
Styrene
0.6590 µg/L 0.7%
of the EPA limit 100 µg/L
1/3 SYR4
Gross Beta Particle Activity
0.6560 pCi/L
No EPA limit set
1/3 SYR4
1,1,1-Trichloroethane
0.5630 µg/L 0.3%
of the EPA limit 200 µg/L
1/3 SYR4
Carbon Tetrachloride
0.5330 µg/L 11%
of the EPA limit 5 µg/L
1/3 SYR4
Selenium
0.5000 µg/L 1%
of the EPA limit 50 µg/L
2/3 SYR4
Arsenic
0.3200 µg/L 3.2%
of the EPA limit 10 µg/L
1/3 SYR4
Antimony, Total
0.2400 µg/L 4%
of the EPA limit 6 µg/L
1/3 SYR4
Combined Radium (-226 And -228)
0.1780 pCi/L 3.6%
of the EPA limit 5 pCi/L
1/3 SYR4
Thallium, Total
0.0400 µg/L 2%
of the EPA limit 2 µg/L
1/3 SYR4
Lead
0.0025 mg/L 17%
of the EPA limit 0.0150 mg/L
3/3 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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.

Water suppliers serving ZIP 80234

SupplierStatePopulation served
WESTMINSTER CITY OF CO 202,078
BROOMFIELD CITY AND COUNTY OF CO 106,153
NORTHGLENN CITY OF CO 48,927

Frequently asked questions about ZIP 80234 tap water

Is the tap water in ZIP 80234 safe to drink?

EPA testing detected 32 contaminants across the water suppliers serving ZIP 80234. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and your utility's annual Consumer Confidence Report for the official status.

Which water suppliers serve ZIP 80234?

3 public water suppliers report EPA drinking-water monitoring for ZIP 80234. Each is listed above with its population served.

What contaminants are in ZIP 80234's water?

EPA monitoring detected Fluoride, Nitrate, Nitrate-Nitrite, Nitrite, Barium, and others across this ZIP's suppliers. The full list with levels and sources is above.