Is Devils Lake, ND tap water safe?
The short answer
Neither of the 2 utilities serving Devils Lake has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s records.
Greater Ramsey Water District, which serves the most people here, has 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 88 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Devils Lake’s ZIP codes, from EPA’s estimates.
- Open report
Greater Ramsey Water District
North Dakota · serves 5,280 people · about 170 in Devils Lake
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 88 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
City of Devils Lake
North Dakota · serves 7,141 people · under 100 in Devils Lake
3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 75 ppb, above EPA’s health benchmark.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Greater Ramsey Water District’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic, Lead
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic, Lead
Water testing near Devils Lake
TapBuff hasn’t read North Dakota’s list of certified labs yet. The national page links every state’s own list.
Certified labs, state by stateZIP codes in Devils Lake
Which ZIP codes are in Devils Lake: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology.
What to do next
- Read Greater Ramsey Water District’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water