Environmental Testing

The ESS Environmental Laboratory serves both private business and municipalities with regulatory and permit testing. The lab is equipped to perform microbiological and chemical testing associated with water, wastewater, and soil samples. As a VELAP certified laboratory, there is a great emphasis on quality control and data integrity so clients can be confident in their results. Located in Culpeper, VA, the ESS Environmental Laboratory is staffed and managed by a team of chemists, biologists, and environmental scientists with a focus on customer service.

Frequent analyses include:

  • Coliforms, Total and Fecal
  • E. coli – Most Probable Number & Presence/Absence
  • Demand (BOD, CBOD & COD)
  • Solids (TSS, TDS & MLSS/VSS)
  • Inorganics / Wet Chemistry (including Ammonia, TKN, Phosphorus, Nitrite + Nitrate, Fluoride, Hardness & Alkalinity)

Sample integrity is of utmost importance from the point of collection through the reporting of results. Please refer to our Resources page for a sample Chain of Custody and instructions for packaging samples.

Please contact us with questions about additional testing capabilities.

Corporate Office and
Environmental Services

218 North Main Street
Culpeper, VA 22701

Toll Free: 1-800-541-2116
Phone: 540-825-6660
Fax: 540-825-4961


Regional Sales Office

11430 Edenberry Drive
N. Chesterfield, VA  23236

Toll Free: 1-800-541-2116
Phone: 540-219-7188
Fax: 540-825-4961


Country Water Systems
123 West Spencer Street
Culpeper, VA 22701

Phone: 540-825-2781

Office Hours
Monday – Friday: 8am – 5pm
(Emergency Service Available)