EPA data as of Oct 2026 · page updated 2026-10-29

Home hazard report for 58207 — Grand Forks, ND

ZIP 58207 is served by Grand Forks Regional WTP (as listed by the state): no health-based violations since 2016, latest lead result 8.9 ppb, PFAS 1 detected. Grand Forks is in EPA radon zone 1.

Active weather alerts

live from the National Weather Service

Checking the National Weather Service…

Where ZIP 58207 is

blue: utility service area · scroll or pinch to zoom
ZIP code areaZIP center Water utility service area PFOA/PFOS ≥ 4 ppt Lead > 15 ppb 5+ violations Superfund site (active) proposed cleaned up Circles: other water systems flagged nearby; size = people served. Tap any symbol for details.

Drinking water: Grand Forks Regional WTP

EPA IDND1800410
People served57,339
Sourcesurface water (rivers, lakes)
Connections14,951

Health-based violations

No health-based violations reported since 2016.

Full record for Grand Forks Regional WTP →

Lead

Jan 20248.9 ppb
Jan 20238.1 ppb
Jan 20226.9 ppb
Jan 20216 ppb
Jul 20205.7 ppb
Jan 20156.1 ppb
Jan 20123.9 ppb
Jan 20094.4 ppb

90th-percentile lead per sampling round (90% of the homes sampled were at or below this level). Black line: EPA’s 15 ppb action level; under the Lead and Copper Rule Improvements the action level becomes 10 ppb from 2027.

PFAS (“forever chemicals”)

CompoundHighest resultSamples with detectionEPA limit
PFBA10.4 ppt4 of 4—
PFPeAnot detected0 of 4—
HFPO-DA (GenX)not detected0 of 4—
PFNAnot detected0 of 4—
PFBSnot detected0 of 4—
PFHxSnot detected0 of 4—
PFOSnot detected0 of 44 ppt MCL
PFOAnot detected0 of 44 ppt MCL
PFDAnot detected0 of 4—
PFHxAnot detected0 of 4—
PFHpAnot detected0 of 4—

EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR 5), samples 2023–2025; ppt = parts per trillion (ng/L). The 4.0 ppt maximum contaminant levels for PFOA and PFOS were set by EPA in 2024; water systems have until the end of the decade to comply.

Radon in Grand Forks

EPA radon zone 1 — highest potential. Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.

Radon is a colorless, odorless radioactive gas from soil and rock, and the leading cause of lung cancer among non-smokers. EPA recommends fixing a home at 4 pCi/L or above and considering it from 2 pCi/L. A short-term test kit costs about $15–30. How radon zones work →

Superfund sites nearby

No site on EPA’s Superfund National Priorities List lies within 10 miles of the center of this ZIP code.

EPA Superfund National Priorities List (NPL): the country’s most serious known hazardous-waste sites, each with an EPA cleanup record (linked). Distance is measured from the ZIP center to the site’s reference point; being near a site does not by itself mean exposure — EPA site pages describe what was found and how it is being cleaned up.

Buying a home in Grand Forks? See the 2026 conforming, FHA and jumbo loan limits for Grand Forks →

What this is — and isn’t. These are records your water utility and state reported to the EPA, and the EPA’s radon map for your county. They describe the system and the area, not the water from your own tap or the air in your home. For that, read your utility’s annual Consumer Confidence Report and test: lead and radon tests are inexpensive.

Questions about 58207

Who supplies drinking water to ZIP 58207?

Grand Forks Regional WTP (EPA ID ND1800410), a surface water (rivers, lakes) system serving about 57,339 people, listed by the state as serving this ZIP code.

Is there lead in Grand Forks, ND tap water?

The utility’s latest 90th-percentile lead result (Jan 2024) was 8.9 ppb; EPA’s action level is 15 ppb, falling to 10 ppb from 2027. Lead mostly comes from service lines and home plumbing, so the only way to know your tap is to test it.

Does Grand Forks, ND water have PFAS?

PFAS were detected, with PFOA and PFOS below 4.0 ppt (highest not detected).

Has the water system in 58207 had violations?

No health-based violations reported since 2016.

Are there Superfund sites near 58207?

No active Superfund site within 10 miles of the ZIP center.

Is radon a problem in Grand Forks?

Grand Forks is in EPA radon zone 1 (highest potential). Predicted average indoor radon above 4 pCi/L — EPA’s action level. Test your home.