Water test results

NEBRASKA CITY UTILITIES
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Drinking Water Test Results
Results of 2006, unless noted.

Coliform Bacteria

Violation	# Positive Sample	Total # Samples	Fecal Coliform or E. Coli Maximum Contaminant Level	Total No. of Positive E.Coli or Fecal Coliform Samples in all of 2002	Likely Source of Contamination
No	0	96	0	0	Total Coliform Bacteria are naturally present in the environment.

LEAD AND COPPER Unit Measurement: ppb

Lead MCLG	Lead Action Level (AL)	Lead 90th Percentile	# Sites Over Lead AL	Copper MCLG	Copper Action Level (AL)	Copper 90th	# Sites Over Copper AL	Likely Source of Contamination
0	15	0.0001	0	1.3 ppm	1.3 ppm	0.617	0	Corrosion of household plumbing systems; Erosion of natural deposits; leaching from wood preservatives.

Regulated Contaminants	Highest Level Detected	Range of Levels Detected	Unit of Measurement	MCLG	MCL	Violation?	Likely Source of Contaminant
Arsenic: 1/28/02	4.73	-	ppb	n/a	50	no	Erosion of natural deposits; Runoff from orchards
Barium:	0.0571	-	ppb	2	2	no	Discharge from steel and pulp mills; Erosion of natural deposits
Fluoride: Chromium:	1.1 1.37	-	ppm	4 100	4 100	no	Erosion of natural deposits; Water additive which promotes strong teeth; discharge from fertilizer
TTHMs:	49.79	-	ppb		80	no	By-product of drinking water clorination
Nickel	1.03	-	ppb		100	no
Sulfate	150	-	ppm
Radioactive Contaminants Gross, Alpha, Radium & Uranium	0.9		pCi/L	0	15	no	Erosion of natural deposits
Bromodichloromethane	14	n/a	ppb
Bromoform	0.67	n/a	ppb
Chloroform	24	n/a	ppb
Dibromochloromethane	6.3	n/a	ppb
Total Haloacetic Acids:	18.9		ppb		60
Total Alkalinity: Total Organic Carbon:	122 2.29	74-122 1.51-2.29	ppm
Radioactive Contaminants Alpha Emitters	.09		pCi/L	0	15	no	Erosion of natural deposits.

This report is also available on the World Wide Web at http://www.hhs.state.ne.us, the Website of the Nebraska Health and Human Services System.

Note: The state requires monitoring of certain contaminants less than once per year because the concentrations of these contaminants do not change frequently. Therefore, some of this data may be more than one year old.

MCL (Maximum Contaminant Level): The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology. MCLG (Maximum Contaminant Level Goal): The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety. AL (Action Level): The concentration of a contaminant which, if exceeded triggers treatment or other requirements which a water system must follow. ppm: Parts Per Million ppb: Parts Per Billion ppt: Parts Per Trillion Pci/L: picoCuries Per Liter (measurement of radioactivity)

The City of Nebraska City is required to test for the following contaminants: Coliform Bacteria, Antimony, Arsenic, Asbestos, Barium, Beryllium, Cadmium, Chromium, Copper, Cyanide, Fluoride, Lead, Mercury , Nickel, Nitrate, Nitrite, Selenium, Sodium, Thallium, Alachlor, Atrazine, Benzo(a)pyrene, Carbofuran, Chlordane, Dalapon, Di(2-ethylhexyl)adipate, Dibromochloropropane, Dinoseb, Di(2-ethylhexy)phthalate, Diquat, 2,4-D, Endothall, Endrin, Ethylene dibromide, Glyphosate, Heptachllor, Heptachlor epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, Lindane, Methoxychlor, Oxamyl (Vydate), Pentachlorophenol, Picloram, Polychlorinated biphenyis, Simazine, Toxaphene, Dioxin, Silvex, Benzene, Carbon Tetrachloride, O-Dichllorobenzene, Para-Dichlorobenzene, 1,2- Dichlorethane, 1,1-Dichloroethylene, Cis-1-2, Dichloroethylene, Trans-1,2-Dichloroethylene, Dichloromethane, 1,2-Dichloropropane, Ethylbenzene, Monochlorobenzene, 1,2,4-Trichlorobenzene, 1,1,1-Trichloroethane, 1,1,2-Trichloroethane, Trichloroethylene, Vinyl Chloride, Styrene, Tetrachloroethylene, Toluene, Xylenes (total), Gross Alpha (minus Uranium & Radium 226), Radium 226 plus Radium 228, Sulfate, Chloroform, Bromodichloromethane, Chlorodibromomethane, Bromoform, Chlorobenzene, m-Dichlorobenzene, 1,1-Dichloropropene, 1,1-Dichloroethane, 1,1,2,2-Tetrachloroethane, 1,2-Dichloropropane, Chloromethane, Bromomethane, 1,2,3-Trichloropropane, 1,1,1,2-Tetrachloroethane, Chloroethane, 2,2-Dichloropropane, 0-Chlorotoluene, p-Chlorotoluene, Bromobenzene, 1,3-Dichloropropene, Aldrin, Butachlor, Carbarryl, Dicamba, Dieldrin, 3-Hydroxycarbofuran, Methonyl, Metolachlor, Metribuzine, Propachlor

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Radioactive Contaminants