How much nitrate is in Wareham water?

The maximum detected level of nitrate in Wareham water is 90 ppb. The EPA limit is 10 mg/L (as nitrogen). See the ZIP code table above for area-specific levels.

Detected Nitrate

Nitrate in Wareham, MA Drinking Water

Q: Is nitrate in Wareham water safe?

Nitrate was detected in Wareham water at 90 ppb, below the EPA limit of 10 mg/L (as nitrogen). Check ZIP-level data on this page for your specific area.

Nitrate data for Wareham, Massachusetts · 10,538 residents · 1 ZIP code

ZipCheckup's reading of Nitrate in Wareham, Massachusetts: the highest detected level is 90 ppb; the EPA limit is 10 mg/L (as nitrogen). Nitrate carries a high health-risk designation.

People in Wareham, Massachusetts who get water from the public supply are among residents whose systems have returned Nitrate detections in EPA compliance testing.

90 ppb

Max Level Detected

90 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: 2026-07-13

Nitrate in Wareham Tap Water

Nitrate has been detected in Wareham, Massachusetts drinking water at a maximum level of 90 ppb — below the EPA MCL of 10 mg/L (as nitrogen).

This analysis covers 10,538 residents across 1 ZIP code in Wareham.

Wareham's overall water quality grade is C (63/100).

Is Nitrate in Wareham Water Safe?

Nitrate was detected in Wareham 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

ZIP Code	Nitrate Level	EPA Limit	Status
02571	90 ppb	10 mg/L (as nitrogen)	OK

Average nitrate level across Wareham: 90 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 Wareham Water

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

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

Home → Contaminants → Nitrate → Massachusetts → Wareham

How to cite this page

APA ZipCheckup. (2026). Nitrate in Wareham, MA Drinking Water. https://zipcheckup.com/contaminants/nitrates/wareham-ma/

BibTeX

@misc{zipcheckup-contaminants-nitrates-wareham-ma,
  author = {{ZipCheckup}},
  title  = {{Nitrate in Wareham, MA Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/nitrates/wareham-ma/}
}

Data as of July 2026.