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Is South Sioux City, NE tap water safe?

City of South Sioux City serves South Sioux City, by EPA’s records. Here is what EPA’s and Nebraska’s records show for it, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

City of South Sioux City serves South Sioux City. In EPA’s and Nebraska’s records it has 1 result above the health goal and 1 result above EPA’s health benchmark, and no health-based violation since 2016.

The worst: Lithium at 97.3 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

Some homes in a town are on private wells or a small system of their own. The name on your water bill tells you which is yours.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of South Sioux City’s water.

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Every claim, and more filters, in the full report

Water testing near South Sioux City

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Nebraska certifies.

No lab Nebraska certifies is within 75 miles of South Sioux City on the state’s list. Some take samples by mail; the state’s page lists them all.

Nebraska Public Health Environmental Laboratory: Bacteria and nitrate sample kits for private wells, ordered online from the Nebraska Department of Health and Human Services. A bacteria kit is $17 and a nitrate kit $16. Keeping Your Well Water Safe and Sound, Nebraska Department of Water, Energy, and Environment.

All 5 certified labs for Nebraska

ZIP codes in South Sioux City

Which ZIP codes are in South Sioux City: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology.

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