Cowan, TN (37318): 8 Violations Recorded for Mapped Water Systems
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Cowan B.p.u.)
EPA records for the water systems mapped to 37318 in Cowan, TN contain 8 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 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 8 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.001 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 4 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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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: 2 of 4 components and 1 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (5) HIGH
Your Water System
ZIP code 37318 in Cowan, Tennessee is mapped to the water system Cowan B.p.u. (EPA ID: TN0000146). This system provides water to approximately 2,550 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 |
|---|---|---|---|
| Cowan B.p.u. | TN0000146 | 2,550 | Surface water |
| Decherd Water Department | TN0000187 | 4,809 | Surface water |
| Belvidere Rural U.d. | TN0000046 | 1,771 | 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
- 37324 (Decherd) - 4 mi - 5 violations recorded for mapped water systems
- 37398 (Winchester) - 5 mi - 28 violations recorded for mapped water systems
- 37375 (Sewanee) - 6 mi - 11 violations recorded for mapped water systems
- 37383 (Sewanee) - 6 mi
- 37306 (Belvidere) - 9 mi - 22 violations recorded for mapped water systems
- 37330 (Estill Springs) - 9 mi - 21 violations recorded for mapped water systems
- 37376 (Sherwood) - 10 mi
- 37356 (Monteagle) - 12 mi - 21 violations recorded for mapped water systems
- 37342 (Hillsboro) - 13 mi - 2 violations recorded for mapped water systems
- 37366 (Pelham) - 14 mi - 12 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 Cowan B.p.u. (TN0000146) on EPA.gov.
5 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.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) MODERATE
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Cowan
Based on local data for ZIP 37318, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Cowan has 4 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 37318 was built around 1977. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Cowan is 1977; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Homes built around 1977 may be on their second or third roof. A professional inspection can catch damage before leaks start.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 37318 safe to drink?
EPA SDWIS records 8 violations since 2021 across the water systems mapped to ZIP 37318 (primary system: Cowan B.p.u.), including 0 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 37318's water come from?
The recorded water source for Cowan B.p.u., a system mapped to ZIP code 37318, is Surface water. This system serves approximately 2,550 people.
How can I get my water tested in Cowan?
If Cowan B.p.u. 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 37318 tap water?
The Lead and Copper Rule record selected for 37318 reports a 90th-percentile lead result of 0.001 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 37318?
37318 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Franklin County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 37318?
FEMA records contain 4 flood insurance claims filed in ZIP code 37318; the recorded rated-zone value (the most frequent one if there are several claims) is C, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Cowan, TN (37318): 8 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/37318/
@misc{zipcheckup-report-37318,
author = {{ZipCheckup}},
title = {{Cowan, TN (37318): 8 Violations Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/37318/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 37318
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 37324 | Decherd, TN | 4.4 mi | N/A | 5 |
| 37398 | Winchester, TN | 5.5 mi | N/A | 28 |
| 37375 | Sewanee, TN | 6.1 mi | N/A | 11 |
| 37383 | Sewanee, TN | 6.4 mi | N/A | 0 |
| 37306 | Belvidere, TN | 9.2 mi | N/A | 22 |
| 37330 | Estill Springs, TN | 9.4 mi | N/A | 21 |
| 37376 | Sherwood, TN | 10.4 mi | N/A | 0 |
| 37356 | Monteagle, TN | 11.8 mi | N/A | 21 |
| 37342 | Hillsboro, TN | 13.5 mi | N/A | 2 |
| 37366 | Pelham, TN | 13.5 mi | N/A | 12 |
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