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Searchlight Water Quality Summary - Well S-2

Substance Average Value MCL Units
ALKALINITY, as HCO3 146 N/A ppm
ALPHA PARTICLES 5.8 15 pCi/L
ALUMINUM <5.0 200 ppb
ANTIMONY <0.4 6 ppb
ARSENIC 7.3 10 ppb
BARIUM <0.005 2 ppm
BERYLLIUM <0.4 4 ppb
BROMIDE 0.08 N/A ppm
CADMIUM <0.5 5 ppb
CALCIUM 10 N/A ppm
CHLORIDE 18.7 400 ppm (1)
CHLORINE RESIDUAL (Dist. System) 0.77 4.0 (2) ppm
CHROMIUM 41.8 100 ppb
COLIFORM, TOTAL 0 ≤1 number samples positive per month
COLOR, TRUE <1 15 PCU (1)
CONDUCTIVITY 433 N/A µS/cm
COPPER <0.005 1.0 ppm (1)
CYANIDE <25 200 ppb
FLUORIDE 1.0 4.0
2.0		 ppm
ppm (1)
HALOACETIC ACIDS (Total Regulated) 2.6 60 ppb
HARDNESS 49
3		 N/A ppm
gpg
IRON <50 600 ppb (1)
LEAD <0.3 N/A ppb
MAGNESIUM 5.65 150 ppm (1)
MANGANESE <5.0 100 ppb (1)
MBAS <100 500 ppb (1)
MERCURY <0.2 2 ppb
MOLYBDENUM <5.0 N/A ppb
NICKEL <5.0 N/A ppb
NITRATE (as NITROGEN) 3.6 10 ppm
NITRITE (as NITROGEN) <0.02 1 ppm
ODOR 1 3 TON (1)
pH 8.2 6.5 - 8.5 pH units (1)
POTASSIUM 3.3 N/A ppm
RADIUM 226 AND RADIUM 228 (Combined) <1 5 pCi/L
SATURATION INDEX 0.1 N/A N/A
SELENIUM 2.4 50 ppb
SILICA 34 N/A ppm
SILVER <5.0 100 ppb (1)
SODIUM 67 N/A ppm (3)
SULFATE 22.1 500 ppm (1)
TEMPERATURE 29.0 N/A deg C
THALLIUM <0.2 2 ppb
TOTAL DISSOLVED SOLIDS 256 1000 ppm (1)
TRIHALOMETHANES (Total) 26 80 ppb
TURBIDITY 0.19 N/A NTU
URANIUM 7.0 30 ppb
VANADIUM 24 N/A ppb
ZINC <5.0 5000 ppb (1)
 
Substance Average Value MCL Units
1,2,4-TRICHLOROBENZENE <0.5 70 ppb
1,1,1-TRICHLOROETHANE <0.5 200 ppb
1,1,2-TRICHLOROETHANE <0.5 5 ppb
1,1-DICHLOROETHYLENE <0.5 7 ppb
1,2 DICHLOROPROPANE <0.5 5 ppb
1,2 -DICHLOROBENZENE <0.5 600 ppb
1,2-DICHLOROETHANE <0.5 5 ppb
1,4 -DICHLOROBENZENE <0.5 75 ppb
2,3,7,8-TCDD (DIOXIN) <0.005 0.03 ppt
2,4-D <0.1 70 ppb
ALACHLOR <0.1 2 ppb
ATRAZINE <0.05 3 ppb
BENZENE <0.5 5 ppb
CARBOFURAN <0.9 40 ppb
CARBON TETRACHLORIDE <0.5 5 ppb
CHLORDANE <0.1 2 ppb
CHLOROBENZENE <0.5 100 ppb
cis-1,2-DICHLOROETHYLENE <0.5 70 ppb
DALAPON <1 200 ppb
DI (2-ETHYLHEXYL)  ADIPATE <0.6 400 ppb
DI (2-ETHYLHEXYL)  PHTHALATE <0.6 6 ppb
DIBROMOCHLOROPROPANE <0.02 0.2 ppb
DICHLOROMETHANE <0.5 5 ppb
DINOSEB <0.2 7 ppb
DIQUAT <0.4 20 ppb
ENDOTHALL <5 100 ppb
ENDRIN <0.01 2 ppb
ETHYLBENZENE <0.5 700 ppb
ETHYLENE DIBROMIDE <0.01 0.05 ppb
GLYPHOSATE <6 700 ppb
HEPTACHLOR EPOXIDE <0.01 0.2 ppb
HEPTACHLOR (H-34, HEPTOX) <0.01 0.4 ppb
HEXACHLOROBENZENE <0.05 1 ppb
HEXACHLOROCYCLOPENTADIENE <0.05 50 ppb
LINDANE <0.01 0.2 ppb
METHOXYCHLOR <0.05 40 ppb
MTBE <0.5 N/A ppb
OXAMYL (VYDATE) < 1 200 ppb
PAHs (benzo(a)pyrene) <0.02 0.2 ppb
PENTACHLOROPHENOL <0.04 1 ppb
PICLORAM <0.1 500 ppb
POLYCHLORINATED BIPHENYLS <0.1 0.5 ppb
SILVEX (2,4,5 - TP) <0.2 50 ppb
SIMAZINE <0.05 4 ppb
STYRENE <0.5 100 ppb
TETRACHLOROETHYLENE <0.5 5 ppb
TOLUENE <0.5 1000 ppb
TOXAPHENE <0.5 3 ppb
trans-1,2 DICHLOROETHYLENE <0.5 100 ppb
TRICHLOROETHYLENE <0.5 5 ppb
VINYL CHLORIDE <0.5 2 ppb
XYLENES <0.5 10,000 ppb

Footnotes:

  1. State of Nevada Secondary Standard
  2. MRDL
  3. Monitoring requirement only, no MCL

Terms:

"<" - less than

µS/cm - Micro Siemens per centimeter

gpg - grains per gallon

MCL - Maximum Contaminant Level Set by EPA

MRDL - Maximum Residual Disinfectant Level

N/A - Not applicable, No Standard Set

NTU - Nephelometric Turbidity Unit

pCi/L - picocuries per liter

PCU - Platinum Cobalt Units

ppb - parts per billion

ppm - parts per million

TON - threshold odor number