OPSU / Murphy-Brown
Water Quality Testing Laboratory

OPSU is pleased to offer water testing services to communities, businesses, schools, and individuals in the Oklahoma panhandle area. Customers are welcome to bring samples.

Tests marked "ODEQ" have been accredited by the Oklahoma Department of Environmental Quality for regulatory reporting purposes.

All tests include kit for sample collection. These are available at the lab, or can be shipped to you.

Group Tests
  • Drinking Water Quality $85.00
    • pH
    • Conductivity
    • TDS
    • Hardness (total)
    • Alkalinity (total)
    • Anions (common)
    • Cations
  • Physical Properties $42.00
    • pH
    • Conductivity
    • Alkalinity (Carbonate, Bicarbonate, Hydroxide, Total)
    • Hardness (Calcium, Magnesium, Total)
  • Disinfection $20.00
    • Chlorine (residual)
    • Chlorine (total)
  • Disinfection By-Products $36.00
    • Bromide
    • Bromate
    • Chloride
    • Chlorite
    • Chlorate
  • Irrigation Water Quality $76.00
    • pH
    • Hardness (total)
    • Cations
    • Anions (common)
    • pHC
    • Conductivity
    • Salinity
    • Alkalinity (Carbonate, Bicarbonate, Hydroxide, Total)
    • SAR (traditional)
    • SAR (adjusted)
    • SAR (adjusted RNa)
Individual Tests
  • Microbiology
    • "Bac-T", Presence/Absence of E. coli and Total Coliform ODEQ $21.00
    • Most Probable Number count of E. coli and Total Coliform ODEQ $21.00 additional
  • Physical
    • pH $5.00
    • Conductivity $6.00
    • Hardness (Calcium, Magnesium, Total) $20.00 group
    • Alkalinity (Carbonate, Bicarbonate, Hydroxide, Total) $16.00 group
    • Turbidity $8.00
  • Anions
    • Common
      (Fluoride, Chloride, Bromide, Nitrate, Nitrite, Sulfate, Phosphate)
      $32.00 group
    • Disinfectant by-products
      (Bromide, Chloride, Bromate, Chlorate, Chlorite)
      $36.00 group
    • Individual $16.00 each
    • Nitrate + Nitrite $24.00 group
  • Cations
    • All
      (Lithium, Sodium, Ammonium, Potassium, Magnesium, Calcium)
      $32.00 group
    • Individual $16.00 each
  • Disinfection
    • Chlorine (residual) $16.00
    • Chlorine (total) $4.00 additional
  • Solids
    • Total Dissolved Solids (TDS) $25.00
  • Irrigation
    • pHc $50.00
    • SAR $36.00
    • SAR (adjusted) $42.00
    • SAR (adjusted RNa) $50.00
    • Salinity $8.00

Soon the laboratory will add testing for metals, organic chemicals and solids.

Check the Testing Services page for additional information.


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