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Tap water quality report

ZIP 35773 — Huntsville, AL

EPA monitoring across the 2 water suppliers serving ZIP 35773 in Huntsville, AL detected 28 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
171,015
people served
28
contaminants found

What was found in ZIP 35773

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-Nitrite
4358 µg/L 44%
of the EPA limit 10000 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Nitrate
4250 µg/L 43%
of the EPA limit 10000 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Copper
269.8 µg/L 21%
of the EPA limit 1300 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
Highest in the ZIP: 844.55 µg/L — HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
2/2 SYR4
Fluoride
638 µg/L 16%
of the EPA limit 4000 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Lead
10.55 µg/L 70%
of the EPA limit 15 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
Highest in the ZIP: 55.59 µg/L — HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
2/2 SYR4
TTHM
55 µg/L 69%
of the EPA limit 80 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Total Haloacetic Acids (HAA5)
47.48 µg/L 79%
of the EPA limit 60 µg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Barium
20.25 µg/L 1%
of the EPA limit 2000 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Chromium
6.49225 µg/L 6.5%
of the EPA limit 100 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Gross Alpha, Excl. Radon And U
1.274 pCi/L 8.5%
of the EPA limit 15 pCi/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
Highest in the ZIP: 1.961 pCi/L — HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2014
2/2 SYR4
Bromodichloromethane
1.1075 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
Highest in the ZIP: 1.1363 µg/L — HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2017
2/2 SYR4
Chloroform
0.8910 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
Highest in the ZIP: 1.01355 µg/L — HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2017
2/2 SYR4
Nitrite
1 µg/L 0.1%
of the EPA limit 1000 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Dibromochloromethane
0.8775 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2019
2/2 SYR4
Selenium
0.6910 µg/L 1.4%
of the EPA limit 50 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Carbofuran
0.5320 µg/L 1.3%
of the EPA limit 40 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Thallium, Total
0.2260 µg/L 11%
of the EPA limit 2 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Di(2-ethylhexyl) Phthalate
0.1675 µg/L 2.8%
of the EPA limit 6 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Mercury
0.1424 µg/L 7.1%
of the EPA limit 2 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Simazine
0.0600 µg/L 1.5%
of the EPA limit 4 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Atrazine
0.0200 µg/L 0.7%
of the EPA limit 3 µg/L
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2019
1/2 SYR4
Pfba
0.0083 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2025
1/2 UCMR-5
PFOS
0.0050 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2025
2/2 UCMR-5
PFOA
0.0048 µg/L
No EPA limit set
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2025
1/2 UCMR-5
PFBS
0.0047 µg/L
No EPA limit set
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2025
2/2 UCMR-5
Pfpea
0.0044 µg/L
No EPA limit set
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2025
1/2 UCMR-5
Pfhxa
0.0038 µg/L
No EPA limit set
Highest in the ZIP: HARVEST-MONROVIA W,S, AND FP, INC. · 51,915 people · 2025
1/2 UCMR-5
Lead
0.0024 mg/L 16%
of the EPA limit 0.0150 mg/L
Main supplier: MADISON COUNTY WATER DEPARTMENT · 119,100 people · 2023
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 35773

SupplierStatePopulation served
MADISON COUNTY WATER DEPARTMENT AL 119,100
HARVEST-MONROVIA W,S, AND FP, INC. AL 51,915

Frequently asked questions about ZIP 35773 tap water

Is the tap water in ZIP 35773 safe to drink?

EPA testing detected 28 contaminants across the water suppliers serving ZIP 35773. 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 35773?

2 public water suppliers report EPA drinking-water monitoring for ZIP 35773. Each is listed above with its population served.

What contaminants are in ZIP 35773's water?

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