Know Your Environment. Protect Your Health.

Nitrate and nitrite

Sinclairville Village

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.39 ppm111.39 ppm
20191.50 ppm221.47 ppm - 1.52 ppm
20201.60 ppm221.60 ppm
20211.35 ppm221.30 ppm - 1.40 ppm
20220.750 ppm21ND - 1.50 ppm
20230.650 ppm21ND - 1.30 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
2018-09-26NO3 18 SINCLAIRVILLE1.39 ppm
2019-12-11NO3 19 SINCLAIR. WL21.52 ppm
2019-12-11NO3 19 SINCLAIR. WL11.47 ppm
2020-08-19NO3 20 SINCLAIR. WL11.60 ppm
2020-08-19NO3 20 SINCLAIR. WL21.60 ppm
2021-02-17NO3 21 SINCLAIR. WL11.30 ppm
2021-02-17NO3 21 SINCLAIR. WL21.40 ppm
2022-07-27NO3 22 SINCLAIR. 1+21.50 ppm
2022-07-27NO3 22 SINCLAIR. LESND
2023-02-22NO3 23 SINCLAIR. LESND
2023-06-07NO3 23 SINCLAIR. 1+21.30 ppm