- EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
- Lithium: found in 4 of 4 samples, average 15.3 µg/L, highest 21.3 µg/L (EPA UCMR 5 testing, Nov 2023–Aug 2024)
- PFBA (a PFAS): found in 4 of 4 samples, average 8.8 ppt, highest 10.4 ppt (EPA UCMR 5 testing, Nov 2023–Sep 2024)
- Lead, 90th percentile: 8.91 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Grand Forks tap water? What EPA records show
EPA ND1800410 · serves Grand Forks, ND · about 57,339 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Grand Forks Regional WTP (EPA ND1800410)
EPA data as of October 14, 2026. For Grand Forks's main utility, Grand Forks Regional WTP: We found no health-based violations in EPA's records for this system (ND1800410) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Grand Forks Regional WTP, as of October 14, 2026
We found no health-based violations in EPA's records for this system (ND1800410) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Grand Forks Regional WTP (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 8.91 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2024). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 2.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Grand Forks Regional WTP use chloramine?
EPA treatment records (state-reported) list chloramines for Grand Forks Regional WTP. EPA record