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Tap water quality report

Poynette, WI

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

4
water suppliers
2,753
people served
21
contaminants found
Wisconsin rankings Lead in Wisconsin PFAS in Wisconsin

What was found in Poynette's water

The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.

ContaminantLevel vs EPA limitSuppliersSource
Nitrate
10000 µg/L 100%
of the EPA limit 10000 µg/L
 4/4 SYR4
Nitrate-Nitrite
9570 µg/L 96%
of the EPA limit 10000 µg/L
 4/4 SYR4
Fluoride
7210 µg/L 180%
of the EPA limit, in the worst sample — 4000 µg/L
 1/4 SYR4
Copper
350 µg/L 27%
of the EPA limit 1300 µg/L
 4/4 SYR4
Barium
21 µg/L 1.1%
of the EPA limit 2000 µg/L
 4/4 SYR4
TTHM
13.65 µg/L 17%
of the EPA limit 80 µg/L
 1/4 SYR4
Chloroform
7.8 µg/L
No EPA limit set
 1/4 SYR4
Lead
6.7 µg/L 45%
of the EPA limit 15 µg/L
 3/4 SYR4
Gross Alpha, Excl. Radon And U
3.94 pCi/L 26%
of the EPA limit 15 pCi/L
 4/4 SYR4
Bromodichloromethane
3.9 µg/L
No EPA limit set
 1/4 SYR4
Combined Radium (-226 And -228)
3.76 pCi/L 75%
of the EPA limit 5 pCi/L
 4/4 SYR4
Gross Beta Particle Activity
3.5 pCi/L
No EPA limit set
 1/4 SYR4
Dichloroacetic Acid
2.9 µg/L
No EPA limit set
 1/4 SYR4
Total Haloacetic Acids (HAA5)
2.9 µg/L 4.8%
of the EPA limit 60 µg/L
 1/4 SYR4
Dibromochloromethane
2.1 µg/L
No EPA limit set
 1/4 SYR4
Di(2-ethylhexyl) Phthalate
1.7 µg/L 28%
of the EPA limit 6 µg/L
 2/4 SYR4
Bromoform
0.8500 µg/L
No EPA limit set
 1/4 SYR4
Lasso
0.6900 µg/L 35%
of the EPA limit 2 µg/L
 1/4 SYR4
Combined Uranium
0.4500 µg/L 1.5%
of the EPA limit 30 µg/L
 3/4 SYR4
Atrazine
0.1100 µg/L 3.7%
of the EPA limit 3 µg/L
 1/4 SYR4
Lead
0.0046 mg/L 31%
of the EPA limit 0.0150 mg/L
 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 single worst sample on record — 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 Poynette

SupplierPopulation served
POYNETTE WATERWORKS 2,520
POYNETTE MOBILE ESTATES 150
INCH HEIGHTS LLC 47
CAPITAL HILL MOBILE HOME PARK 36

Frequently asked questions about Poynette tap water

Is Poynette tap water safe to drink?

EPA testing detected 21 contaminants in the water serving Poynette. 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 Poynette?

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

What contaminants are in Poynette's water?

The contaminants EPA monitoring detected in Poynette include Nitrate, Nitrate-Nitrite, Fluoride, Copper, Barium. The full list, with the highest level found 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.