A80/100
Dickinson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 38,384 residents · North Dakota
What's In Dickinson's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
OMND WATER TREATMENT PLANT
Population Served
4,168
Water Source
Surface Water
System ID
ND2901491
DICKINSON CITY OF
Population Served
25,679
Water Source
Purchased Surface Water
System ID
ND4500242
SOUTHWEST WATER AUTHORITY
Population Served
8,537
Water Source
Surface Water
System ID
ND4501434
Frequently Asked Questions About Dickinson Water
Is Dickinson tap water safe to drink?
Dickinson, North Dakota tap water receives a grade of A (80/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Dickinson's water?
Of the 69 contaminants tested in Dickinson's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Dickinson have any water quality violations?
Yes, Dickinson has 13 EPA violation(s) on record, with the most recent in 2015. Violation types include MR, MCL. 11 of these are health-based violations, which are the most serious category.
Do I need a water filter in Dickinson?
Dickinson water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Dickinson's tap water come from?
Dickinson's drinking water is sourced from surface water and supplied by OMND WATER TREATMENT PLANT and 2 other water system(s). The system serves approximately 38,384 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Dickinson's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Dickinson's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Dickinson's water compare to other cities in North Dakota?
Dickinson's water quality score of 80/100 earns a grade of A, which is considered excellent. This places Dickinson among the better-performing water systems in North Dakota. Visit our North Dakota state page to see how all cities in the state compare.
What should I do if I'm concerned about Dickinson's water quality?
If you have concerns about Dickinson's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (OMND WATER TREATMENT PLANT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.