Exceeds EPA Limit Nitrate EXCEEDS EPA LIMIT

Nitrate in Dickson, TN Drinking Water

Nitrate data for Dickson, Tennessee · 28,567 residents · 2 ZIP codes

For residents of Dickson, Tennessee, Nitrate has appeared in public water supply sampling data.

24 ppb
Max Level Detected
24 ppb
Average Level
10 mg/L (as nitrogen)
EPA MCL
High
Health Risk
Reverse Osmosis or Ion Exchange
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-04-05

Nitrate in Dickson Tap Water

Nitrate has been detected in Dickson, Tennessee drinking water at a maximum level of 24 ppb — below the EPA MCL of 10 mg/L (as nitrogen).

This analysis covers 28,567 residents across 2 ZIP codes in Dickson.

Dickson's overall water quality grade is B (77/100).

Is Nitrate in Dickson Water Safe?

Nitrate levels in parts of Dickson exceed the EPA MCL of 10 mg/L (as nitrogen). The EPA requires water systems to take corrective action when this limit is exceeded.

If you live in an affected ZIP code, consider installing a reverse osmosis or ion exchange filter certified under NSF 53 / NSF 58 and testing your water independently.

Nitrate Levels by ZIP Code

ZIP Code Nitrate Level EPA Limit Status
37055 24 ppm 10 mg/L (as nitrogen) OK
37056 24 ppm 10 mg/L (as nitrogen) OK

Average nitrate level across Dickson: 24 ppb

Health Effects of Nitrate

  • Methemoglobinemia ("blue baby syndrome") in infants under 6 months
  • Increased risk of colorectal and bladder cancer (long-term)
  • Thyroid disease from chronic exposure
  • Possible reproductive effects

Health risk severity: High. Governed by the National Primary Drinking Water Regulations.

How Nitrate Gets Into Drinking Water

  • Agricultural fertilizer runoff
  • Animal feedlot operations and manure
  • Septic system leachate
  • Urban stormwater and wastewater discharge

What to Do About Nitrate in Dickson Water

  1. Reverse osmosis is the most effective method for nitrate removal
  2. Ion exchange systems designed for nitrate can also work
  3. Standard carbon filters do NOT remove nitrate
  4. Boiling water increases nitrate concentration — never boil for nitrate

Look for filters certified under NSF 53 / NSF 58 for nitrate removal.

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