Nitrate and nitrite
Clermont Public 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.
141
Samples
0
Samples exceeding legal limit (MCL)
122
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 1.04 ppm | 23 | 20 | ND - 2.00 ppm |
| 2015 | 1.14 ppm | 23 | 22 | ND - 2.12 ppm |
| 2016 | 0.904 ppm | 25 | 23 | ND - 1.60 ppm |
| 2017 | 0.955 ppm | 25 | 23 | ND - 1.56 ppm |
| 2018 | 0.860 ppm | 25 | 20 | ND - 1.52 ppm |
| 2019 | 1.05 ppm | 20 | 15 | ND - 4.35 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 |
|---|---|---|
| 2014-01-09 | A140038498 | 1.15 ppm |
| 2014-01-22 | A140103355 | 0.700 ppm |
| 2014-01-22 | A140158607 | 1.55 ppm |
| 2014-02-06 | A140010766 | 1.10 ppm |
| 2014-02-12 | A140040880 | 1.75 ppm |
| 2014-03-06 | A140182703 | 0.620 ppm |
| 2014-03-19 | A140183807 | 1.05 ppm |
| 2014-04-03 | A140183809 | 0.850 ppm |
| 2014-04-09 | A140194682 | 1.45 ppm |
| 2014-05-14 | A140196901 | 0.680 ppm |
| 2014-06-04 | A140202489 | 1.000 ppm |
| 2014-07-02 | A140217921 | 0.750 ppm |
| 2014-07-30 | A140201520 | 1.06 ppm |
| 2014-08-13 | A140235784 | 1.20 ppm |
| 2014-08-13 | A140235785 | ND |
| 2014-09-03 | A140235782 | 2.00 ppm |
| 2014-09-03 | A140063005 | ND |
| 2014-10-08 | A140236763 | ND |
| 2014-10-08 | A140242234 | 1.75 ppm |
| 2014-11-05 | A140242926 | 1.90 ppm |
| 2014-11-12 | A140236147 | 0.510 ppm |
| 2014-12-03 | A140257959 | 1.10 ppm |
| 2014-12-10 | A140258966 | 1.80 ppm |
| 2015-01-07 | A150258995 | 0.960 ppm |
| 2015-01-14 | A150259003 | 1.60 ppm |
| 2015-02-04 | A150257962 | 0.820 ppm |
| 2015-03-04 | A150270075 | 0.780 ppm |
| 2015-03-18 | A150282552 | 1.46 ppm |
| 2015-04-01 | A150273690 | 1.36 ppm |
| 2015-04-01 | A150282528 | 0.870 ppm |
| 2015-04-29 | A150112323 | 0.550 ppm |
| 2015-05-06 | A150288205 | 1.25 ppm |
| 2015-05-06 | A150288211 | 2.12 ppm |
| 2015-06-03 | A150299897 | 0.730 ppm |
| 2015-06-10 | A150299930 | 1.54 ppm |
| 2015-07-08 | A150304051 | 1.60 ppm |
| 2015-07-16 | A150294222 | 1.44 ppm |
| 2015-08-12 | A150304061 | 0.180 ppm |
| 2015-09-09 | A150308855 | 1.50 ppm |
| 2015-09-09 | A150308859 | ND |
| 2015-10-01 | A150063006 | 1.60 ppm |
| 2015-10-21 | A150321694 | 0.320 ppm |
| 2015-11-04 | A150335152 | 1.70 ppm |
| 2015-11-12 | A150334835 | 1.65 ppm |
| 2015-12-09 | A150348777 | 1.55 ppm |
| 2015-12-09 | A150348780 | 0.650 ppm |
| 2016-01-13 | A160348565 | 0.950 ppm |
| 2016-01-13 | A160357909 | 1.60 ppm |
| 2016-01-27 | A160348572 | 0.440 ppm |
| 2016-02-04 | A160335046 | 1.46 ppm |
| 2016-02-17 | A160371534 | 0.760 ppm |
| 2016-03-02 | A160158600 | 0.720 ppm |
| 2016-03-09 | A160371700 | 1.18 ppm |
| 2016-04-06 | A160240553 | 0.640 ppm |
| 2016-04-20 | A160377775 | 1.30 ppm |
| 2016-05-11 | A160382837 | 1.25 ppm |
| 2016-05-11 | A160382838 | 0.590 ppm |
| 2016-06-01 | A160405631 | 1.40 ppm |
| 2016-06-08 | A160403250 | 0.760 ppm |
| 2016-07-06 | A160407834 | 1.30 ppm |
| 2016-07-06 | A160407836 | 0.470 ppm |
| 2016-08-03 | A160407821 | ND |
| 2016-08-10 | A160403248 | 1.22 ppm |
| 2016-09-07 | A160431031 | 1.45 ppm |
| 2016-09-07 | A160435061 | ND |
| 2016-10-12 | A160445106 | 0.250 ppm |
| 2016-10-12 | A160445108 | 1.32 ppm |
| 2016-11-03 | A160438615 | 0.460 ppm |
| 2016-11-09 | A160345491 | 1.32 ppm |
| 2016-12-01 | A160445098 | 0.520 ppm |
| 2016-12-08 | A160452747 | 1.24 ppm |
| 2017-01-12 | A170460715 | 0.860 ppm |
| 2017-01-25 | A170462502 | 0.520 ppm |
| 2017-01-25 | A170462501 | 1.30 ppm |
| 2017-02-08 | A170460967 | 1.37 ppm |
| 2017-02-08 | A170460968 | 0.960 ppm |
| 2017-03-08 | A170480427 | 1.50 ppm |
| 2017-03-08 | A170480429 | 0.640 ppm |
| 2017-04-06 | A170469277 | 0.860 ppm |
| 2017-04-12 | A170487153 | 1.56 ppm |
| 2017-05-03 | A170492670 | 1.50 ppm |
| 2017-05-03 | A170487158 | 0.780 ppm |
| 2017-06-01 | A170503830 | 1.16 ppm |
| 2017-06-07 | A170508853 | 1.000 ppm |
| 2017-07-06 | A170515501 | 0.860 ppm |
| 2017-07-12 | A170516485 | 1.15 ppm |
| 2017-08-10 | A170528028 | ND |
| 2017-08-23 | A170534225 | 1.28 ppm |
| 2017-09-07 | A170538837 | ND |
| 2017-09-13 | A170539155 | 0.980 ppm |
| 2017-10-12 | A170538815 | 0.110 ppm |
| 2017-10-18 | A170539133 | 1.45 ppm |
| 2017-11-02 | A170539164 | 0.330 ppm |
| 2017-11-08 | A170533616 | 1.41 ppm |
| 2017-12-13 | A170557932 | 1.47 ppm |
| 2017-12-13 | A170557934 | 0.820 ppm |
| 2018-01-11 | A180503399 | 0.880 ppm |
| 2018-01-17 | A180569692 | 0.420 ppm |
| 2018-01-17 | A180569693 | 1.31 ppm |
| 2018-02-01 | A180503400 | 0.920 ppm |
| 2018-02-14 | A180578248 | 1.44 ppm |
| 2018-03-07 | A180578267 | 1.52 ppm |
| 2018-03-15 | A180503706 | 0.590 ppm |
| 2018-04-05 | A180589124 | 0.600 ppm |
| 2018-04-18 | A180578170 | 1.45 ppm |
| 2018-05-16 | A180503833 | 0.550 ppm |
| 2018-05-17 | A180598685 | 1.45 ppm |
| 2018-06-07 | A180604968 | 0.500 ppm |
| 2018-06-13 | A180604956 | 1.25 ppm |
| 2018-07-04 | A180598669 | ND |
| 2018-07-11 | A180598639 | 1.25 ppm |
| 2018-08-09 | A180598649 | ND |
| 2018-08-22 | A180592562 | 1.15 ppm |
| 2018-09-05 | A180617397 | 1.25 ppm |
| 2018-09-05 | A180617399 | ND |
| 2018-10-04 | A180617750 | ND |
| 2018-10-17 | A180617774 | 1.44 ppm |
| 2018-11-01 | 8K00089-02 | 1.43 ppm |
| 2018-11-01 | 8K00089-01 | ND |
| 2018-12-06 | 8L00667-02 | 0.640 ppm |
| 2018-12-19 | 8L02525-01 | 1.46 ppm |
| 2019-01-02 | 9A00413-01 | 0.550 ppm |
| 2019-01-09 | 9A01532-01 | 1.50 ppm |
| 2019-01-16 | 9A02438-01 | ND |
| 2019-02-14 | 9B01708-02 | 0.510 ppm |
| 2019-02-20 | 9B02485-01 | 1.59 ppm |
| 2019-03-07 | 9C00868-03 | ND |
| 2019-03-13 | 9C01870-01 | 1.40 ppm |
| 2019-04-03 | 9D00665-02 | 0.550 ppm |
| 2019-04-18 | 9D02566-01 | 1.74 ppm |
| 2019-05-01 | 9E00339-03 | 1.65 ppm |
| 2019-05-01 | 9E00339-02 | 0.510 ppm |
| 2019-06-06 | 9F00797-01 | 0.540 ppm |
| 2019-06-19 | 9F03025-06 | 2.04 ppm |
| 2019-07-10 | 9G01920-01 | 1.67 ppm |
| 2019-07-10 | 9G01920-02 | 0.690 ppm |
| 2019-08-01 | 9H00050-02 | ND |
| 2019-08-07 | 9H01266-03 | 4.35 ppm |
| 2019-09-11 | 9I01980-03 | ND |
| 2019-09-19 | 9I03016-02 | 1.62 ppm |
| 2019-10-10 | 9J01789-01 | ND |