Nitrate and nitrite
Deming Municipal 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.
64
Samples
0
Samples exceeding legal limit (MCL)
42
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.531 ppm | 13 | 3 | ND - 3.80 ppm |
| 2015 | 0.182 ppm | 11 | 1 | ND - 2.00 ppm |
| 2016 | 0.713 ppm | 10 | 9 | ND - 1.60 ppm |
| 2017 | 1.01 ppm | 10 | 9 | ND - 4.10 ppm |
| 2018 | 0.961 ppm | 11 | 11 | 0.520 ppm - 2.20 ppm |
| 2019 | 0.744 ppm | 9 | 9 | 0.510 ppm - 1.80 ppm |
ppm = parts per million
State and national drinking water standards and health guidelines
EWG Health Guideline 0.14 ppm
The 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 |
|---|---|---|
| 2014-03-19 | 1403923-003A | ND |
| 2014-08-14 | 1408956-003A | ND |
| 2014-08-14 | 1408951-003A | 1.40 ppm |
| 2014-08-14 | 1408958-003A | ND |
| 2014-08-14 | 1408955-003A | ND |
| 2014-08-14 | 1408942-003A | ND |
| 2014-08-14 | 1408944-003A | ND |
| 2014-08-14 | 1408946-003A | ND |
| 2014-08-14 | 1408949-003A | 3.80 ppm |
| 2014-09-10 | 1409598-003A | ND |
| 2014-09-10 | 1409600-003A | ND |
| 2014-09-10 | 1409601-003A | 1.70 ppm |
| 2014-12-08 | 1412554-003A | ND |
| 2015-02-17 | 1502851-001A | 2.00 ppm |
| 2015-02-17 | 1502846-001A | ND |
| 2015-02-17 | 1502847-001A | ND |
| 2015-02-17 | 1502849-001A | ND |
| 2015-02-17 | 1502850-001A | ND |
| 2015-02-17 | 1502840-001A | ND |
| 2015-02-17 | 1502841-001A | ND |
| 2015-02-17 | 1502842-001A | ND |
| 2015-02-17 | 1502845-001A | ND |
| 2015-02-17 | 1502855-001A | ND |
| 2015-02-17 | 1502801-001A | ND |
| 2016-03-24 | 1603E39-001A | 0.550 ppm |
| 2016-07-07 | 1607418-001A | 0.600 ppm |
| 2016-07-07 | 1607427-001A | 0.830 ppm |
| 2016-07-07 | 1607422-001A | 1.60 ppm |
| 2016-07-07 | 1607420-001A | ND |
| 2016-07-07 | 1607425-001A | 0.590 ppm |
| 2016-07-07 | 1607419-001A | 0.890 ppm |
| 2016-07-07 | 1607417-001A | 0.620 ppm |
| 2016-07-07 | 1607428-001A | 0.710 ppm |
| 2016-10-18 | 1610B17-001 | 0.740 ppm |
| 2017-05-15 | 1705976-003 | 0.560 ppm |
| 2017-05-15 | 1705979-003 | 0.590 ppm |
| 2017-05-15 | 1705975-003 | 0.740 ppm |
| 2017-05-15 | 1705978-003 | ND |
| 2017-05-16 | 1705982-003 | 0.560 ppm |
| 2017-05-16 | 1705983-003 | 4.10 ppm |
| 2017-05-16 | 1705981-003 | 0.880 ppm |
| 2017-05-16 | 1705980-003 | 0.570 ppm |
| 2017-08-15 | 1708A78-003 | 1.50 ppm |
| 2017-09-27 | 1709H63-003 | 0.620 ppm |
| 2018-05-08 | 1805753-001 | 0.850 ppm |
| 2018-05-08 | 1805752-001 | 0.730 ppm |
| 2018-05-08 | 1805751-001 | 0.580 ppm |
| 2018-05-08 | 1805749-001 | 0.610 ppm |
| 2018-05-08 | 1805748-001 | 2.20 ppm |
| 2018-05-08 | 1805747-001 | 0.580 ppm |
| 2018-05-08 | 1805746-001 | 0.590 ppm |
| 2018-05-08 | 1805745-001 | 0.870 ppm |
| 2018-05-08 | 1805597-002 | 2.20 ppm |
| 2018-05-08 | 1805594-003 | 0.840 ppm |
| 2018-10-31 | 1811130-001 | 0.520 ppm |
| 2019-09-04 | 1909594-001 | 0.520 ppm |
| 2019-09-04 | 1909593-001 | 0.890 ppm |
| 2019-09-04 | 1909592-001 | 0.650 ppm |
| 2019-09-04 | 1909589-001 | 0.510 ppm |
| 2019-09-04 | 1909588-001 | 0.510 ppm |
| 2019-10-31 | 1911443-001 | 1.80 ppm |
| 2019-10-31 | 1911441-001 | 0.760 ppm |
| 2019-10-31 | 1911440-001 | 0.530 ppm |
| 2019-10-31 | 1911439-001 | 0.530 ppm |