Is Monterey, TN tap water safe?
The short answer
1 of the 3 utilities serving Monterey has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and CDC’s records: Monterey Water Dept.
Monterey Water Dept, which serves the most people here, has 1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 62.7 ppb, above the legal limit.
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 Monterey’s ZIP codes, from EPA’s estimates.
- Open report
Monterey Water Dept
Tennessee · serves 4,880 people · under 100 in Monterey
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 62.7 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
East Fork U.D.
Tennessee · serves 3,538 people · under 100 in Monterey
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
Heritage Academy
Tennessee · serves 100 people · under 100 in Monterey
2 results above the health goal. The worst: Arsenic at 1.0 ppb, above the health goal.
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 Monterey Water Dept’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Total trihalomethanes (TTHM), 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: Total trihalomethanes (TTHM), Arsenic, Lead
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Arsenic, Lead
Water testing near Monterey
The 3 labs Tennessee certifies closest to Monterey, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Tennessee Tech University Water Center
Cookeville, TN · about 16 miles
Certified for bacteria, metals, minerals and other inorganics, disinfection byproducts
Assured Bio Labs, LLC
Oak Ridge, TN · about 54 miles
Certified for bacteria
DOE Y-12 CNS National Security Complex
Oak Ridge, TN · about 54 miles
Certified for metals, minerals and other inorganics, disinfection byproducts, radioactivity
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 Monterey
Which ZIP codes are in Monterey: 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. Certified labs: TDEC, commercial laboratories certified for drinking water analysis; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Monterey
Towns nearby with a page of their own.
What to do next
- Read Monterey Water Dept’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water