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Counties → North Dakota

Grand Forks County, North Dakota

Water Systems
9
Population Served
69,787
Total Violations
232
38 health-based
PFAS Detected
1
of 4 tested

Violation Analysis

100.0%
Systems with Violations
25.8
Avg Violations per System
16.4%
Health-Based Violations

Water Source Types

GW
8 systems (89%)
SW
1 system (11%)

PFAS Contamination

4
Systems Tested
1
PFAS Detected
25.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Grand Forks North Dakota water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (9)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Grand Forks Regional WTP 57,339 21 Detected
East Central Regional WD-Gf 5,995 9 Clean
Agassiz Water Users District 3,438 5 Clean
Larimore City Of 1,346 3 Clean
Northwood City Of 945 35 -
Emerado City Of 414 41 -
Arvilla Water Users Association 180 6 -
Forest River Colony 100 53 -
Larsons Drive Inn 30 59 -

Other Counties in North Dakota

Cass County
27 systems · 176,764 served · 915 violations
Burleigh County
12 systems · 92,574 served · 263 violations
Ward County
14 systems · 65,645 served · 589 violations
Williams County
22 systems · 38,366 served · 564 violations
Stark County
8 systems · 36,506 served · 136 violations
Morton County
13 systems · 29,721 served · 464 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Grand Forks County? ▼
Grand Forks County has 232 total drinking water violations across 9 water systems, of which 38 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Grand Forks County systems? ▼
Water systems in Grand Forks County serve approximately 69,787 people through 9 public water systems.
Has PFAS been detected in Grand Forks County water? ▼
Of 4 water systems tested for PFAS in Grand Forks County, 1 had PFAS detected (25.0% detection rate).
What types of water sources supply Grand Forks County? ▼
Water systems in Grand Forks County use GW (8 systems), SW (1 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 16.4% of Grand Forks County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.