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Tap water quality report

ZIP 51527 — Avoca, IA

EPA monitoring across the 2 water suppliers serving ZIP 51527 in Avoca, IA detected 17 contaminants. A detection doesn't automatically mean the water is unsafe — see the level at the main supplier below, with the EPA limit for each.

2
water suppliers
7,705
people served
17
contaminants found

What was found in ZIP 51527

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

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
581 µg/L 5.8%
of the EPA limit 10000 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 6300 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2019
2/2 SYR4
Copper
45 µg/L 3.5%
of the EPA limit 1300 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2017
Highest in the ZIP: 922 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2017
2/2 SYR4
Fluoride
760 µg/L 19%
of the EPA limit 4000 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2014
Highest in the ZIP: 805 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2015
2/2 SYR4
Barium
120 µg/L 6%
of the EPA limit 2000 µg/L
Highest in the ZIP: WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2012
1/2 SYR4
TTHM
34.7 µg/L 43%
of the EPA limit 80 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 46.199999999999996 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Lead
17.379999999999995 µg/L 116%
of the EPA limit, at the 95th percentile of samples — 15 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2017
2/2 SYR4
Lithium
13 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2024
Highest in the ZIP: 17 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2025
2/2 UCMR-5
Chloroform
16.099999999999998 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
2/2 SYR4
Bromodichloromethane
9.69 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 14.399999999999999 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Dibromochloromethane
7.43 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 13.799999999999997 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Total Haloacetic Acids (HAA5)
7 µg/L 12%
of the EPA limit 60 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 9 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Bromoform
1.94 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 5.859999999999998 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Dichloroacetic Acid
4 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 5 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Dibromoacetic Acid
2.6999999999999993 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 4 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Trichloroacetic Acid
1 µg/L
No EPA limit set
Main supplier: REGIONAL WATER · 4,132 people · 2019
Highest in the ZIP: 2.6499999999999995 µg/L — WEST CENTRAL RWA - NISH SYSTEM · 3,573 people · 2018
2/2 SYR4
Vinyl Chloride
0.8000 µg/L 40%
of the EPA limit 2 µg/L
Main supplier: REGIONAL WATER · 4,132 people · 2019
1/2 SYR4
Lead
0.0020 mg/L 13%
of the EPA limit 0.0150 mg/L
Main supplier: REGIONAL WATER · 4,132 people · 2026
2/2 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.

Water suppliers serving ZIP 51527

SupplierStatePopulation served
REGIONAL WATER IA 4,132
WEST CENTRAL RWA - NISH SYSTEM IA 3,573

Frequently asked questions about ZIP 51527 tap water

Is the tap water in ZIP 51527 safe to drink?

EPA testing detected 17 contaminants across the water suppliers serving ZIP 51527. 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 51527?

2 public water suppliers report EPA drinking-water monitoring for ZIP 51527. Each is listed above with its population served.

What contaminants are in ZIP 51527's water?

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