Additional Water Quality Information

The accompanying table lists additional regulated (secondary) and non-regulated parameters that were detected in the finished water during 2021.

No adverse health effects are generally associated with the secondary drinking water contaminants. At considerably higher concentrations than the Maximum Contaminant Levels (MCLs), health implications may exist as well as aesthetic degradation. Note that all maximum values are below the MCLs.

Additional Regulated (Secondary) and Non-Regulated Parameters

Additional Parameters MCL Maximum Value Range of Results
Aluminum (ug/L) 200 89 30-89
Chloride (mg/L) 250 18.1 13.8-18.1
Color (CU) 15 5 ND-5
Copper (ug/L) 1000 1 ND-1
Iron (ug/L) 300 91 ND-91
Manganese (ug/L) 50 41 15-41
Metolachlor (mg/L) NR 92 43-92
Metribuzin (mg/L) NR 92 ND-92
pH (units) 6.5-8.5 8.3 7.0-8.3
Odor (TON) 3 2 1-2
Sulfate (mg/L) 250 121 94-121
Total alkalinity (mg/L as CaCO3) NR 80.3 19.5-80.3
Total dissolved solid (mg/L) 500 342 192-342
Total hardness (mg/L as CaCO3) NR 222* 104-222
Zinc (ug/L) 5000 130 120-130

* To calculate hardness in grains per gallon, divide by 17.1

Table Key & Definitions

  • CU: Color Units
  • ND: Not Detected
  • NR: Not Regulated
  • MCL: Maximum Contaminant Level
  • ug/L: micrograms per liter or parts per billion
  • mg/L: milligrams per liter or parts per million

Other contaminants that were tested for but not detected include: nitrite; arsenic; chromium; cyanide; lead; mercury; selenium; antimony; beryllium; thalium; silver; foaming agents; combined uranium; 1,2,4-trichlorobenzene; cis-1,2-dichloroethylene; xylenes; dichloromethane; o-dichlorobenzene; para-dichlorobenzene; vinyl chloride; 1,1-dichloroethylene; trans-1,2-dichloroethylene; 1,2-dichloroethane; 1,1,1-trichloroethane; carbon tetrachloride; 1,2-dichloropropane; trichloroethylene; 1,1,2-trichloroethane; tetrachloroethylene; monochlorobenzene; benzene; ethylbenzene; styrene; endrin; lindane; methoxychlor; toxaphene; dalapon; diquat; endothall, glyphosate; di(2-ethylhexyl)adipate; oxamyl; simazine; picloram; dinoseb; hexachlorocyclopentadinene; carbofuran; alachlor; 2,3,7,8-TCDD (dioxin); heptachlor; heptachlor epoxide; 2,4-D; 2,4,5-TP (silvex); hexachlorobenzene; benzo(a)pyrene; pentachlorophenol; PCBs; dibromochloropropane; ethylene dibromide (EDB); chlordane; dieldrin; dicamba; 1,1,1,2-tetrachloroethane; 1,1,2,2-tetrachloroethane; 1,1- dichloroethane; 1,1-dichloropropene; 1,2,3-trichloropropane; 1,3-dichlorobenzene; 1,3-dichloropropane; 2,2-dichloropropane; 2-chlorotoluene; 4-chlorotoluene; bromobenzene; bromomethane; chloroethane; chloromethane; dibromomethane; dichlorodifluoromethane; methyl-tert-butyl ether; trichlorofluoromethane; aldrin; propachlor; 3-hydroxycarbofuran; aldicarb; aldicarb sulfone; aldicarb sulfoxide; carbaryl, methomyl; 2,4,6-trichlorophenol; 2,4-dinitrotoluene; 2-chlorophenol; 4,6- dinitro-2-methylphenol; butylbenzylphthalate; diethylphthalate; dimethylphthalate; di-n-butylphthalate; di-n-octylphthalate; isophorone; phenol


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