ZipCheckup's reading of Nitrate in Murfreesboro, Tennessee: the highest detected level is 12.5 ppb; the EPA limit is 10 mg/L (as nitrogen). Nitrate carries a high health-risk designation.

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

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13

Nitrate in Murfreesboro Tap Water

Nitrate has been detected in Murfreesboro, Tennessee drinking water at a maximum level of 12.5 ppm — 1.25x the EPA MCL.

This analysis covers 220,126 residents across 7 ZIP codes in Murfreesboro.

Murfreesboro's overall water quality grade is C (64/100).

Is Nitrate in Murfreesboro Water Safe?

Nitrate was detected in Murfreesboro water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.

If you are concerned, a reverse osmosis or ion exchange filter can reduce nitrate levels further.

Nitrate Levels by ZIP Code

Average nitrate level across Murfreesboro: 12.5 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 Murfreesboro 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.

Related

• Nitrate — National Overview
• Nitrate in Tennessee
• Tennessee Water Quality
• Murfreesboro Water Quality
• Check Your ZIP Code