Know Your Environment. Protect Your Health.

Nitrate and nitrite

City of Pineville Water System

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.

 

66

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND180ND
20200.00913 ppm81ND - 0.0730 ppm
2021ND80ND
20220.0125 ppm81ND - 0.1000 ppm
2023ND80ND

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
2018-05-0135389927007ND
2018-05-0135389927001ND
2018-05-0135389927002ND
2018-05-0135389927003ND
2018-05-0135389927004ND
2018-05-0135389927007ND
2018-05-0135389927006ND
2018-05-0135389927005ND
2018-05-0135389927004ND
2018-05-0135389927003ND
2018-05-0135389927002ND
2018-05-0135389927001ND
2018-05-0135389927005ND
2018-05-0135389927006ND
2018-12-2135439366001ND
2018-12-2135439366001ND
2019-07-18B1903052-005ND
2019-07-18B1903052-004ND
2019-07-18B1903052-003ND
2019-07-18B1903052-002ND
2019-07-18B1903052-001ND
2019-07-18B1903052-001ND
2019-07-18B1903052-002ND
2019-07-18B1903052-003ND
2019-07-18B1903052-004ND
2019-07-18B1903052-005ND
2019-07-25B1903185-002ND
2019-07-25B1903185-003ND
2019-07-25B1903185-004ND
2019-07-25B1903185-001ND
2019-07-25B1903185-003ND
2019-07-25B1903185-004ND
2019-07-25B1903185-001ND
2019-07-25B1903185-002ND
2020-10-0635583227001ND
2020-10-06355832270020.0730 ppm
2020-10-0635583227003ND
2020-10-0635583227004ND
2020-10-0635583287001ND
2020-10-0635583287002ND
2020-10-0635583287003ND
2020-10-0635583287004ND
2021-10-11B2105457-008ND
2021-10-11B2105457-007ND
2021-10-11B2105457-006ND
2021-10-11B2105457-005ND
2021-10-11B2105457-003ND
2021-10-11B2105457-002ND
2021-10-11B2105457-001ND
2021-10-11B2105457-004ND
2022-05-23B2202481-008ND
2022-05-23B2202481-0090.1000 ppm
2022-05-23B2202481-007ND
2022-05-23B2202481-006ND
2022-06-13B2202768-008ND
2022-06-13B2202768-007ND
2022-06-13B2202768-006ND
2022-06-13B2202768-005ND
2023-05-09B2301968-001ND
2023-05-09B2301968-002ND
2023-05-09B2301968-003ND
2023-05-09B2301968-004ND
2023-05-09B2301968-005ND
2023-05-09B2301968-006ND
2023-05-09B2301968-007ND
2023-05-09B2301968-008ND