Know Your Environment. Protect Your Health.

Nitrate and nitrite

Whaleshead Beach Resort, Llc

Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

 

10

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.638 ppm220.523 ppm - 0.753 ppm
20200.739 ppm220.298 ppm - 1.18 ppm
20210.715 ppm220.370 ppm - 1.06 ppm
20220.453 ppm220.342 ppm - 0.564 ppm
20230.501 ppm220.474 ppm - 0.528 ppm

ppm = parts per million

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.14 ppm

The EWG health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.

EPA Maximum Contaminant
Level (MCL): 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2019-04-011904049001-I0.523 ppm
2019-04-011904052001-I0.753 ppm
2020-08-052008303001-I0.298 ppm
2020-08-062008301001-I1.18 ppm
2021-07-062107224001-I0.370 ppm
2021-07-072107225001-I1.06 ppm
2022-07-062207238-001-I0.342 ppm
2022-07-062207236-001-I0.564 ppm
2023-05-1023050567-01A-I0.474 ppm
2023-05-1023050567-02A-I0.528 ppm