Is Walnut Hill, TN tap water safe?
The short answer
1 of the 4 utilities serving Walnut Hill has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Intermont Utility District.
Bristol Dept of Utilities, which serves the most people here, has 2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal. 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 Walnut Hill’s ZIP codes, from EPA’s estimates.
- Open report
Bristol Dept of Utilities
Tennessee · serves 37,648 people · about 940 in Walnut Hill
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Blountville Utility District
Tennessee · serves 15,647 people · about 120 in Walnut Hill
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
South Fork Utility District
Tennessee · serves 10,229 people · under 100 in Walnut Hill
1 result above the health goal. The worst: Lead at 1.5 ppb, above the health goal.
No health-based violations since 2016
- Open report
Intermont Utility District
Tennessee · serves 1,848 people · under 100 in Walnut Hill
1 result above the health goal. The worst: Lead at 1.5 ppb, above the health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Bristol Dept of Utilities’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 Walnut Hill
No lab Tennessee certifies is within 75 miles of Walnut Hill on the state’s list. Some take samples by mail; the state’s page lists them all.
Tennessee Department of Health: Water quality testing for eligible private wells and springs, through the program formerly called SafeWATCH. Contact the department's Waterborne Disease Team to ask about eligibility. Free for eligible wells and springs. Waterborne Diseases, Tennessee Department of Health.
All 37 certified labs for TennesseeZIP codes in Walnut Hill
Which ZIP codes are in Walnut Hill: 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.
Near Walnut Hill
Towns nearby with a page of their own.
What to do next
- Read Bristol Dept of Utilities’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water