Maynardville, TN (37807): PFAS Detected in Mapped Water Systems
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Maynardville Water Department)
Health-based violation records by water system:
EPA records for the water systems mapped to 37807 in Maynardville, TN contain 9 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 8 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.002 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 37807. No spam - just safety updates.
Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.
See incorrect data? Let us know
With no critical conditions on file, the 1 high-priority alert represent the top tier for Maynardville (37807).
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 37807 in Maynardville, Tennessee is mapped to the water system Maynardville Water Department (EPA ID: TN0000442). This system provides water to approximately 7,940 people from surface water sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Maynardville Water Department | TN0000442 | 7,940 | Surface water |
| Hallsdale-powell U.d. | TN0000280 | 84,315 | Surface water |
| Luttrell-blaine-corryton U.d. | TN0000415 | 10,529 | Surface water |
Other Water Quality Reports in Tennessee
- 37010 (Adams) - 6 violations recorded for mapped water systems
- 37011 (Antioch)
- 37012 (Alexandria) - 104 violations recorded for mapped water systems
- 37013 (Antioch) - 3 violations recorded for mapped water systems
- 37014 (Arrington)
- 37015 (Ashland City) - 13 violations recorded for mapped water systems
- 37016 (Auburntown) - 8 violations recorded for mapped water systems
- 37018 (Beechgrove) - 18 violations recorded for mapped water systems
- 37019 (Belfast) - 1 violation recorded for mapped water systems
- 37020 (Bell Buckle) - 16 violations recorded for mapped water systems
- 37022 (Bethpage) - 14 violations recorded for mapped water systems
- 37023 (Big Rock) - 6 violations recorded for mapped water systems
- 37024 (Brentwood)
- 37025 (Bon Aqua)
- 37026 (Bradyville) - 2 violations recorded for mapped water systems
- 37027 (Brentwood) - 14 violations recorded for mapped water systems
- 37028 (Bumpus Mills) - 6 violations recorded for mapped water systems
- 37029 (Burns)
- 37030 (Carthage) - 41 violations recorded for mapped water systems
- 37031 (Castalian Springs) - 12 violations recorded for mapped water systems
Nearby Water Quality Reports
- 37779 (Luttrell) - 5 mi - 12 violations recorded for mapped water systems
- 37721 (Corryton) - 8 mi - 12 violations recorded for mapped water systems
- 37848 (Powder Springs) - 9 mi - 1 violation recorded for mapped water systems
- 37866 (Sharps Chapel) - 9 mi
- 37709 (Blaine) - 10 mi - 3 violations recorded for mapped water systems
- 37938 (Knoxville) - 11 mi - 4 violations recorded for mapped water systems
- 37806 (Mascot) - 12 mi - 4 violations recorded for mapped water systems
- 37705 (Andersonville) - 12 mi - 22 violations recorded for mapped water systems
- 37918 (Knoxville) - 14 mi - 3 violations recorded for mapped water systems
- 37828 (Norris) - 14 mi - 14 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Maynardville Water Department (TN0000442) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 37807.
Detected compounds: PFBA, PFHxA, PFBS.
Highest measured level: 0.0062 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 37807 safe to drink?
EPA SDWIS records 9 violations since 2021 across the water systems mapped to ZIP 37807 (primary system: Maynardville Water Department), including 1 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 37807's water come from?
The recorded water source for Maynardville Water Department, a system mapped to ZIP code 37807, is Surface water. This system serves approximately 7,940 people.
How can I get my water tested in Maynardville?
If Maynardville Water Department supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 37807 tap water?
The Lead and Copper Rule record selected for 37807 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 37807?
37807 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Union County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 37807's water?
Yes, PFAS have been detected in samples from water systems mapped to 37807. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
How to cite this page
ZipCheckup. (2026). Maynardville, TN (37807): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/37807/
@misc{zipcheckup-report-37807,
author = {{ZipCheckup}},
title = {{Maynardville, TN (37807): PFAS Detected in Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/37807/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 37807
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 37779 | Luttrell, TN | 5.1 mi | N/A | 12 |
| 37721 | Corryton, TN | 8.0 mi | C | 12 |
| 37848 | Powder Springs, TN | 8.9 mi | N/A | 1 |
| 37866 | Sharps Chapel, TN | 9.4 mi | N/A | 0 |
| 37709 | Blaine, TN | 10.4 mi | N/A | 3 |
| 37938 | Knoxville, TN | 10.7 mi | C | 4 |
| 37806 | Mascot, TN | 11.7 mi | C | 4 |
| 37705 | Andersonville, TN | 12.3 mi | C | 22 |
| 37918 | Knoxville, TN | 13.5 mi | C | 3 |
| 37828 | Norris, TN | 13.9 mi | C | 14 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
Home Safety Score →Find the right water filter
Water Filter Matcher →Compare filters, tests & services
Compare My Options →Compare with another ZIP
Compare Tool →2026 Rankings