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The Edwards Aquifer Research and Data Center (EARDC) has been providing water analysis services since 1979. Samples analyzed are from wells, springs, rivers, municipalities, and wastewater treatment facilities for a variety of chemical and biological constituents. The EARDC laboratory is NELAP accredited.

EARDC’s commitment is to meet our client’s requirements by providing a high caliber of environmental and laboratory services. The goal of the EARDC laboratory is to generate an error free environment. The quality assurance management system at EARDC stresses training and planning which yields increased personal performance, improved laboratory management and the prevention of errors. The EARDC Quality Assurance program ensures that data produced is scientifically sound, legally defensible, and of known documentable and verifiable quality.

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lab field of accreditation

 

    • Alkalinity, bicarbonate
    • Alkalinity, total
    • Biochemical Oxygen Demand (BOD)
    • Carbonaceous BOD
    • Total Organic Carbon (TOC)
    • Chloride
    • Chlorine, total
    • Chlorine, free
    • Chemical Oxygen Demand (COD)
    • Conductivity
    • Nitrogen, Kjeldahl
    • Nitrogen, Nitrate
    • Nitrogen, Nitrite
    • Oil and Grease (FOG)
    • Phosphate, ortho
    • Phosphate Total
    • Total Dissolved Solids (TDS)
    • Total Solids (TS)
    • Total Suspended Solids (TSS)
    • Volatile Suspended Solids (VSS)
    • Sulfate
    • Silica
    • PH
    • Dissolved Oxygen (DO)
    • Turbidity
    • Cyanide, total
    • Fluoride
    • Hardness, total
    • Hardness, Calcium Carbonate
    • Nitrogen, Ammonia
    • Coliform, Total (Colilert)
    • E. Coli (MPN)
    • Total Dissolved Solids (TDS)
    • Alkalinity
    • Hardness
    • Calcium
    • Iron
    • Magnesium
    • Manganese
    • Sodium
    • Sulfate
    • Chloride
    • Fluoride
    • Nitrogen, nitrate
    • Total Coliform (Colilert)
    • Aluminum 
    • Antimony 
    • Arsenic 
    • Barium 
    • Beryllium 
    • Boron
    • Cadmium 
    • Calcium Chromium
    • Chromium (hexavalent)
    • Copper
    • Gold 
    • Iron
    • Lead 
    • Magnesium
    • Manganese 
    • Mercury (cold vapor)
    • Nickel 
    • Potassium
    • Selenium 
    • Silver 
    • Sodium
    • Strontium
    • Thallium 
    • Zinc