Nitrate and nitrite
Village 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.615 ppm | 20 | 16 | ND - 1.60 ppm |
| 2019 | 0.560 ppm | 46 | 26 | ND - 2.00 ppm |
| 2020 | 0.411 ppm | 9 | 5 | ND - 1.60 ppm |
| 2021 | 0.450 ppm | 8 | 5 | ND - 1.60 ppm |
| 2022 | 0.500 ppm | 9 | 6 | ND - 1.60 ppm |
| 2023 | 0.250 ppm | 8 | 3 | ND - 0.700 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 |
|---|---|---|
| 2018-11-27 | 35433571008 | 0.570 ppm |
| 2018-11-27 | 35433571001 | 0.0330 ppm |
| 2018-11-27 | 35433571002 | 0.490 ppm |
| 2018-11-27 | 35433571003 | ND |
| 2018-11-27 | 35433571004 | 0.340 ppm |
| 2018-11-27 | 35433571005 | 1.60 ppm |
| 2018-11-27 | 35433571006 | 0.520 ppm |
| 2018-11-27 | 35433571007 | ND |
| 2018-11-27 | 35433571008 | 0.570 ppm |
| 2018-11-27 | 35433571001 | 0.0330 ppm |
| 2018-11-27 | 35433571002 | 0.490 ppm |
| 2018-11-27 | 35433571003 | ND |
| 2018-11-27 | 35433571004 | 0.340 ppm |
| 2018-11-27 | 35433571005 | 1.60 ppm |
| 2018-11-27 | 35433571006 | 0.520 ppm |
| 2018-11-27 | 35433571007 | ND |
| 2018-12-04 | 35434745001 | 1.50 ppm |
| 2018-12-04 | 35434745002 | 1.10 ppm |
| 2018-12-04 | 35434745001 | 1.50 ppm |
| 2018-12-04 | 35434745002 | 1.10 ppm |
| 2019-02-11 | 35447880006 | ND |
| 2019-02-11 | 35447880001 | ND |
| 2019-02-11 | 35447880002 | ND |
| 2019-02-11 | 35447880003 | ND |
| 2019-02-11 | 35447880004 | 1.60 ppm |
| 2019-02-11 | 35447880005 | 1.50 ppm |
| 2019-02-11 | 35447880006 | ND |
| 2019-02-11 | 35447880007 | 0.980 ppm |
| 2019-02-11 | 35447880008 | 2.00 ppm |
| 2019-02-11 | 35447880001 | ND |
| 2019-02-11 | 35447880002 | ND |
| 2019-02-11 | 35447880003 | ND |
| 2019-02-11 | 35447880004 | 1.60 ppm |
| 2019-02-11 | 35447880008 | 2.00 ppm |
| 2019-02-11 | 35447880007 | 0.980 ppm |
| 2019-02-11 | 35447880005 | 1.50 ppm |
| 2019-03-13 | 35454100003 | 0.650 ppm |
| 2019-03-13 | 35454100004 | 0.510 ppm |
| 2019-03-13 | 35454100003 | 0.650 ppm |
| 2019-03-13 | 35454100002 | 1.80 ppm |
| 2019-03-13 | 35454100001 | ND |
| 2019-03-13 | 35454100005 | 1.20 ppm |
| 2019-03-13 | 35454100005 | 1.20 ppm |
| 2019-03-13 | 35454100001 | ND |
| 2019-03-13 | 35454100002 | 1.80 ppm |
| 2019-03-13 | 35454100004 | 0.510 ppm |
| 2019-03-25 | 35457558001 | 0.130 ppm |
| 2019-03-25 | 35457558008 | 0.780 ppm |
| 2019-03-25 | 35457558009 | ND |
| 2019-03-25 | 35457558002 | ND |
| 2019-03-25 | 35457558003 | ND |
| 2019-03-25 | 35457558004 | ND |
| 2019-03-25 | 35457558005 | ND |
| 2019-03-25 | 35457558006 | 0.690 ppm |
| 2019-03-25 | 35457558007 | 0.220 ppm |
| 2019-03-25 | 35457558008 | 0.780 ppm |
| 2019-03-25 | 35457558009 | ND |
| 2019-03-25 | 35457558001 | 0.130 ppm |
| 2019-03-25 | 35457558002 | ND |
| 2019-03-25 | 35457558003 | ND |
| 2019-03-25 | 35457558004 | ND |
| 2019-03-25 | 35457558005 | ND |
| 2019-03-25 | 35457558006 | 0.690 ppm |
| 2019-03-25 | 35457558007 | 0.220 ppm |
| 2019-04-01 | 35458991001 | 0.830 ppm |
| 2019-04-01 | 35458991001 | 0.830 ppm |
| 2020-04-16 | B2001821-008 | 0.1000 ppm |
| 2020-04-16 | B2001821-007 | 0.500 ppm |
| 2020-04-16 | B2001821-006 | 1.60 ppm |
| 2020-04-16 | B2001821-005 | ND |
| 2020-04-16 | B2001821-003 | ND |
| 2020-04-16 | B2001821-002 | ND |
| 2020-04-16 | B2001821-001 | ND |
| 2020-04-16 | B2001821-004 | 0.200 ppm |
| 2020-11-19 | 35593860001 | 1.30 ppm |
| 2021-12-03 | B2106555-005 | 0.300 ppm |
| 2021-12-03 | B2106555-008 | 0.600 ppm |
| 2021-12-03 | B2106555-007 | 1.60 ppm |
| 2021-12-03 | B2106555-006 | ND |
| 2021-12-03 | B2106555-004 | ND |
| 2021-12-03 | B2106555-003 | 0.600 ppm |
| 2021-12-03 | B2106555-002 | ND |
| 2021-12-03 | B2106555-001 | 0.500 ppm |
| 2022-03-15 | B2201139-009 | 0.300 ppm |
| 2022-03-15 | B2201139-008 | 1.60 ppm |
| 2022-03-15 | B2201139-007 | ND |
| 2022-03-21 | B2201296-006 | 0.400 ppm |
| 2022-03-21 | B2201296-007 | 0.500 ppm |
| 2022-03-29 | B2201628-009 | 0.400 ppm |
| 2022-03-29 | B2201628-010 | ND |
| 2022-03-29 | B2201628-008 | ND |
| 2022-04-06 | B2201651-001 | 1.30 ppm |
| 2023-12-19 | B2305367-001 | 0.700 ppm |
| 2023-12-19 | B2305367-002 | ND |
| 2023-12-19 | B2305367-003 | 0.600 ppm |
| 2023-12-19 | B2305367-004 | ND |
| 2023-12-19 | B2305367-005 | ND |
| 2023-12-19 | B2305367-006 | ND |
| 2023-12-19 | B2305367-007 | ND |
| 2023-12-19 | B2305367-008 | 0.700 ppm |