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National Drinking Water Database


Chromium (total) in Nevada


Chromium is a metal that pollutes drinking water due to discharge from steel and pulp mills and erosion of natural deposits. [read more]

The Most Polluted Communities in Nevada

63 water utilities reported detecting Chromium (total) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Chromium (total) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Spirit Mountain Utility
Cal-nev-ari, NV
3501 of 130 ppb
(30 ppb)
2Wells Municipal Water Department
Wells, NV
1,3461 of 119 ppb
(19 ppb)
3Spring Creek Utilities
Pahrump, NV
6,7921 of 116 ppb
(16 ppb)
4Searchlight Water Company
Las Vegas, NV
7603 of 315.5 ppb
(2 to 22.5 ppb)
5Ely Maximum Security Prison Ndop
Ely, NV
1,0302 of 215.25 ppb
(13.5 to 17 ppb)
6Holbrook Station RV and Mhp
Gardnerville, NV
1801 of 114 ppb
(14 ppb)
7MC Dermitt Water System
Mcdermit, NV
2001 of 112 ppb
(12 ppb)
8Truckee Meadows Water Authority
Reno, NV
315,2007 of 811.93 ppb
(0 to 29 ppb)
9Whiskey Petes
Primm, NV
3,0001 of 19.9 ppb
(9.9 ppb)
10Crystal Tp
Verdi, NV
801 of 19 ppb
(9 ppb)

Health Based Limits for Chromium (total)

StandardDescriptionLevel
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.100 ppb
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.100 ppb
Drinking Water Equivalent LevelA lifetime exposure concentration protective of adverse, noncarcinogenic health effects, that assumes all of the exposure to a contaminant is from drinking water. Source: U.S. Environmental Protection Agency.100 ppb
Children's health-based limit for 1-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic health effects for up to one day of exposure. The One-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.1000 ppb
Children's health-based limit for 10-day exposureConcentration of a chemical in drinking water that is not expected to cause any adverse, noncarcinogenic effects for up to ten days of exposure. The Ten-Day health-based limit (or Health Advisory, HA) is typically set to protect a 10-kg child consuming 1 liter of water per day. Source: U.S. Environmental Protection Agency.1000 ppb

Violation Summary for Chromium (total) in Nevada

Data from the U.S. Environmental Protection Agency includes the following violations of federal standards in Nevada since 2004

Violation TypeNumber of Violations
Failure to monitor regularly3