Chromium (hexavalent)
City of North Platte
Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).
54
Samples
0
Samples exceeding legal limit (MCL)
54
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.583 ppb | 28 | 28 | 0.0700 ppb - 2.60 ppb |
| 2014 | 0.521 ppb | 26 | 26 | 0.0580 ppb - 2.80 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.02 ppb
The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-10-01 | 201310030407AM | 0.200 ppb |
| 2013-10-01 | 201310030381AM | 0.400 ppb |
| 2013-10-01 | 201310030486AM | 0.390 ppb |
| 2013-10-01 | 201310030247AM | 0.710 ppb |
| 2013-10-01 | 201310040263AM | 0.320 ppb |
| 2013-10-01 | 201310030462AM | 0.200 ppb |
| 2013-10-01 | 201310030387AM | 0.180 ppb |
| 2013-10-01 | 201310030497AM | 2.20 ppb |
| 2013-10-01 | 201310030488AM | 0.160 ppb |
| 2013-10-01 | 201310030318AM | 2.20 ppb |
| 2013-10-01 | 201310030394AM | 0.330 ppb |
| 2013-10-01 | 201310030367AM | 0.210 ppb |
| 2013-10-01 | 201310030397AM | 0.200 ppb |
| 2013-10-01 | 201310030175AM | 0.720 ppb |
| 2013-10-02 | 201310040156AM | 0.130 ppb |
| 2013-10-02 | 201310040270AM | 0.130 ppb |
| 2013-10-02 | 201310040131AM | 0.230 ppb |
| 2013-10-02 | 201310040126AM | 0.610 ppb |
| 2013-10-02 | 201310040139AM | 0.220 ppb |
| 2013-10-02 | 201310040143AM | 2.60 ppb |
| 2013-10-02 | 201310040117AM | 0.1000 ppb |
| 2013-10-02 | 201310040208AM | 2.60 ppb |
| 2013-10-02 | 201310040150AM | 0.0700 ppb |
| 2013-10-02 | 201310040154AM | 0.110 ppb |
| 2013-10-02 | 201310040158AM | 0.220 ppb |
| 2013-10-02 | 201310040242AM | 0.0730 ppb |
| 2013-10-02 | 201310040232AM | 0.220 ppb |
| 2013-10-02 | 201310040166AM | 0.590 ppb |
| 2014-04-14 | 201404160577AM | 0.210 ppb |
| 2014-04-14 | 201404160608AM | 0.310 ppb |
| 2014-04-14 | 201404160573AM | 0.160 ppb |
| 2014-04-14 | 201404160561AM | 0.120 ppb |
| 2014-04-14 | 201404160602AM | 0.430 ppb |
| 2014-04-14 | 201404160594AM | 0.670 ppb |
| 2014-04-14 | 201404160569AM | 0.0700 ppb |
| 2014-04-14 | 201404160640AM | 0.200 ppb |
| 2014-04-14 | 201404160626AM | 0.620 ppb |
| 2014-04-14 | 201404160823AM | 0.160 ppb |
| 2014-04-14 | 201404160738AM | 0.280 ppb |
| 2014-04-14 | 201404160896AM | 0.0580 ppb |
| 2014-04-14 | 201404160903AM | 0.120 ppb |
| 2014-04-14 | 201404160892AM | 0.400 ppb |
| 2014-04-15 | 201404160624AM | 0.140 ppb |
| 2014-04-15 | 201404160812AM | 0.120 ppb |
| 2014-04-15 | 201404160598AM | 0.0650 ppb |
| 2014-04-15 | 201404160825AM | 1.60 ppb |
| 2014-04-15 | 201404160831AM | 2.60 ppb |
| 2014-04-15 | 201404160915AM | 0.120 ppb |
| 2014-04-15 | 201404160632AM | 0.1000 ppb |
| 2014-04-15 | 201404160634AM | 0.260 ppb |
| 2014-04-15 | 201404160575AM | 2.80 ppb |
| 2014-04-15 | 201404160600AM | 1.50 ppb |
| 2014-04-15 | 201404160616AM | 0.260 ppb |
| 2014-04-15 | 201404160606AM | 0.180 ppb |