WaterVerge

Is Pembina, ND Tap Water Safe to Drink?

Graded A, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

592 residents served 1 water system PWSID: ND3400777
Overall Score
92.3 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased ground water
#18 of 103 in North Dakota Top 8% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.3/100
waterverge.com
A 92.3/100

Pembina, ND — Water Quality Report

Pembina's drinking water received a grade of A (92.3 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 592 residents using purchased ground water.

Lead levels were measured at 1.9 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 14 violations on record, including 8 health-based violations. 2 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Pembina's water

Pembina ranks #18 out of 103 cities in North Dakota for water quality, placing it above average in the state.

Pembina purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.

As a small community water system, Pembina may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
92.3 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.9 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Purchased ground water.
Water Safety

Is Pembina, ND water safe to drink?

Use Caution

Pembina's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (92.3/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 592 residents using groundwater (wells).

2
Active Violations
1.9 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Pembina

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pembina's water quality assessment. Grade: A (92.3/100).

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4717). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Chlorine, Revised Total Coliform Rule.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4553). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Key contaminant findings

Based on the most recent EPA sampling data for Pembina's water supply.

Lead Within Limits
Detected: 1.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Pembina's water system has 14 total violations on record, including 8 health-based violations. 2 remain unresolved. 2 violations were issued in the last 5 years.

MRMONMCL
Most recent violations:
Apr 2022 Chlorine Resolved
Apr 2022 Revised Total Coliform Rule Resolved
Nov 2019 Lead and Copper Rule Open
Apr 2005 Total Haloacetic Acids (HAA5) Resolved
Apr 2005 TTHM Resolved

Flood & environmental risk

Pembina County has experienced 10 federally declared disasters since 2010. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Red River Of The North.

FLOODING
Flood FEMA DR-4717
FLOODING
Flood FEMA DR-4553
FLOODING
Flood FEMA DR-4444

Where does Pembina's water come from?

Pembina's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 592 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Red River Of The North (river).

What Pembina residents can do

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Pembina's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.9 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

14
Total violations
8
Health-based
2
Active / unresolved
Apr 2022
Most recent violation
Compliance Record

Violations & advisories

14 Total
2 Active
8 Health-based
12 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Lead and Copper Rule
3
Revised Total Coliform Rule
1
Nov 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2022 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Apr 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2022
Apr 2005 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Apr 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2005
Jan 2005 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Jan 2005 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2005
Oct 2004 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Oct 2004 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2004
Jul 2004 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jul 2004 Resolved
Total Haloacetic Acids (HAA5)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jan 1994 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Jul 1993 Resolved
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1994
Industrial pollution

Top industrial polluters within 10 miles of Pembina

Industrial polluters nearby

Reported releases to surface water by facilities near Pembina, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
US CBP PEMBINA PORT OF ENTRY ND0014
Other · US DEPARTMENT OF HOMELAND SECURITY
PEMBINA, ND58271
2.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

10
Declared disasters
Jul 2023
Most recent
Flood
Most common type

Pembina County has experienced 10 federally declared disasters since 2010. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2023
FLOODING
Flood FEMA #4717
Jul 2020
FLOODING
Flood FEMA #4553
Jun 2019
FLOODING
Flood FEMA #4444
Jul 2017
FLOODING
Flood FEMA #4323
May 2013
FLOODING
Flood FEMA #4118
Apr 2013
FLOODING
Flood FEMA #3364

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.9 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.2 ppb from 1994 (3.1 ppb) to 2025 (1.9 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Groundwater
Operator
Local Government
Population Served
592
Water Systems
1
Water Source

Where Pembina's water comes from

Purchased Groundwater

Pembina purchases its water supply from a regional wholesale provider rather than treating raw water directly.

Water quality depends on both the wholesaler's treatment standards and the condition of Pembina's local distribution pipes and storage facilities.

Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.

The system is operated by local government ownership and serves approximately 592 people through 1 water system.

Local Hydrology

Water bodies near Pembina

Pembina is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Red River Of The North
river
Infrastructure

Water systems serving Pembina

System Name PWSID Population Source
PEMBINA CITY OF ND3400777 592 GWP
Regional Comparison

How Pembina compares

Full North Dakota rankings →

Pembina's score of 92.3/100 is above the average of 82/100 among major North Dakota cities. It outscores 9 of 10 nearby cities.

Pembina (this city)
92.3
Fargo
91.5
Bismarck
85.7
Minot
83.2
North Dakota avg
82
City Profile

About Pembina, ND

Wikipedia →

Pembina is a city in Pembina County, North Dakota, United States. The population was 512 at the 2020 census. Pembina is located 2 miles (3.2 km) south of the Canada–US border. Interstate 29 passes on the western side of Pembina, leading north to the Canada–US border at Emerson, Manitoba and south to the cities of Grand Forks and Fargo. The Pembina–Emerson Border Crossing is the busiest between Surrey–Blaine, and Windsor–Detroit, and the fifth busiest along the Canada-United States border. It is one of three 24-hour ports of entry in North Dakota, the others being Portal and Dunseith. The Noyes–Emerson East Border Crossing, located 2 miles (3.2 km) to the east on the Minnesota side of the Red River, also processed cross-border traffic until its closure in 2006.

Economic Profile
$85,795
Median Income
$125,937
Median Home Value
$681/mo
Median Rent
4.9%
Unemployment
Community
39.8
Median Age
264
People / sq mi
16.5%
College Educated
76.1%
Homeownership
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Frequently asked questions

Is Pembina, ND tap water safe to drink?

Pembina's water quality earned a grade of A (92.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #18 out of 103 cities tested in North Dakota.

What contaminants are in Pembina's water?

Lead was measured at 1.9 ppb (90th percentile). 14 violations are on record.

How is Pembina's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Pembina?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Pembina's water come from?

Pembina's water is sourced from Purchased ground water. The city has 1 water system serving approximately 592 residents.

What health violations has Pembina's water system had?

Pembina has 8 health-based violations on record. The most recent violation was recorded in April 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Pembina's groundwater at risk of contamination?

Pembina uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 14 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Pembina's water compare to other cities?

Pembina ranks #18 out of 103 cities in North Dakota (better than 83% of state cities) and #1304 out of 15744 cities nationally (92th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Pembina's small water system affect quality?

Pembina's system serves approximately 592 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 14 violations on record.