WaterVerge

Is Center, ND Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

588 residents served 1 water system PWSID: ND3300174
Overall Score
83.2 / 100
Violations
2 active
Last Updated
May 2026
Source
Purchased surface water
#75 of 103 in North Dakota Top 42% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
83.2/100
waterverge.com
B+ 83.2/100

Center, ND — Water Quality Report

Center's drinking water received a grade of B+ (83.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 588 residents using purchased surface water.

Lead levels were measured at 4.1 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 6 violations on record, including 0 health-based violations. 2 remain unresolved.

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

What to know about Center's water

Center ranks #75 out of 103 cities in North Dakota for water quality, placing it below average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

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

Quality Breakdown

Water quality score

See methodology →
83.2 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
43.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
14/20
C
Lead at 4.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Center, ND water safe to drink?

Use Caution

Center's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (83.2/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 588 residents using surface water (rivers, lakes, or reservoirs).

2
Active Violations
4.1 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Center

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Center's water quality assessment. Grade: B+ (83.2/100).

Violation
1 drinking water violation recorded

Contaminants: Chloramine.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Chloramine.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-3318). Flood event — may have impacted local water infrastructure.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3247). Coastal Storm event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 4.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.49 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Center's water system has 6 total violations on record, including 0 health-based violations. 2 remain unresolved. 3 violations were issued in the last 5 years.

MRMONOther
Most recent violations:
Jul 2022 Chloramine Resolved
Jun 2022 Revised Total Coliform Rule Resolved
Apr 2022 Chloramine Resolved
Oct 2016 Consumer Confidence Rule Open
Nov 2003 Coliform (TCR) Resolved

Flood & environmental risk

Oliver County has experienced 9 federally declared disasters since 1966. 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 Square Butte Creek Below Center.

FLOODING
Flood FEMA DR-3318
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA DR-3247
SEVERE FLOODING,SEVERE WINTER STORMS, SNOWMELT, SPRING RAINS
Flood FEMA DR-1174

Where does Center's water come from?

Center's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 588 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Square Butte Creek Below Center (river).

What Center 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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Center'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
4.1 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.49 mg/L
EPA Action Level: 1.3 mg/L · +15% over limit
Exceeds Limit
Compliance Record

Violation summary

6
Total violations
0
Health-based
2
Active / unresolved
Jul 2022
Most recent violation
Compliance Record

Violations & advisories

6 Total
2 Active
0 Health-based
4 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Revised Total Coliform Rule
1
Consumer Confidence Rule
1
Total Coliform Rule
1
Oct 2016 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2022 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2022
Jun 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2022
Apr 2022 Resolved
Chloramine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2022
Nov 2003 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2003
Industrial pollution

Top industrial polluters within 10 miles of Center

Industrial polluters nearby

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

Total reported releases to surface water: 370 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
BASIN ELECTRIC LELAND OLDS STATION
Electric Utilities · BASIN ELECTRIC POWER COOPERATIVE
STANTON, ND58571
Barium And Barium Compounds3658.9 mi
MINNKOTA POWER COOPERATIVE INC. MILTON R. YOUNG STATION
Electric Utilities · MINNKOTA POWER COOPERATIVE INC
CENTER, ND58530
Barium And Barium Compounds54.4 mi
BNI COAL LTD
Coal Mining · ALLETE INC
CENTER, ND58530
7.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

9
Declared disasters
Apr 2011
Most recent
Flood
Most common type

Oliver County has experienced 9 federally declared disasters since 1966. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Apr 2011
FLOODING
Flood FEMA #3318
Sep 2005
HURRICANE KATRINA EVACUATION
Coastal Storm FEMA #3247
Apr 1997
SEVERE FLOODING,SEVERE WINTER STORMS, SNOWMELT, SPRING RAINS
Flood FEMA #1174
Jul 1993
SEVERE STORMS & FLOODING
Flood FEMA #1001
Apr 1979
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #581
Apr 1978
STORMS, ICE JAMS, SNOWMELT & FLOODING
Flood FEMA #554

Recommended water filters

Based on contaminants detected in Center's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.1 15 ppb Inorganic Safe
Copper (90th percentile) 1.49 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 2.2 ppb from 1993 (1.9 ppb) to 2023 (4.1 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.000 mg/L from 1993 (1.490 mg/L) to 1994 (1.490 mg/L).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
588
Water Systems
1
Water Source

Where Center's water comes from

Purchased Surface Water

Center's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 588 people through 1 water system.

Local Hydrology

Water bodies near Center

Center is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Square Butte Creek Below Center
river
Infrastructure

Water systems serving Center

System Name PWSID Population Source
CENTER CITY OF ND3300174 588 SWP
Regional Comparison

How Center compares

Full North Dakota rankings →

Center's score of 83.2/100 is on par with the average of 82/100 among major North Dakota cities. It outscores 4 of 10 nearby cities. 5 of 10 nearby cities score higher.

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

About Center, ND

Wikipedia →

Center is a city in Oliver County, North Dakota, United States. It is the county seat of, and the only incorporated place in, Oliver County. The population was 588 at the 2020 census. Center along with Oliver County is included in the Bismarck metropolitan area.

Economic Profile
$56,250
Median Income
$166,091
Median Home Value
$564/mo
Median Rent
4.6%
Unemployment
Community
36.5
Median Age
447
People / sq mi
19.2%
College Educated
89.3%
Homeownership
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Frequently asked questions

Is Center, ND tap water safe to drink?

Center's water quality earned a grade of B+ (83.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #75 out of 103 cities tested in North Dakota.

What contaminants are in Center's water?

Lead was measured at 4.1 ppb (90th percentile). 6 violations are on record.

How is Center'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 Center?

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

Where does Center's water come from?

Center's water is sourced from Purchased surface water. The city has 1 water system serving approximately 588 residents.

How does Center's water compare to other cities?

Center ranks #75 out of 103 cities in North Dakota (better than 27% of state cities) and #6569 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Center's small water system affect quality?

Center's system serves approximately 588 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 6 violations on record.