Welcome to Arkansas State University!

Research Areas, Services & Clientele


  • Toxicology
  • Aquatic Biology
  • Phytoremediation
  • Limnology
  • Ichthyology
  • Botany
  • Entomology
  • Herpetology
  • Wetland Ecology
  • Spatial Analysis (GIS)
  • Avian Ecology
  • Microbiology
  • Biochemistry
  • Geochemistry
  • Habitat Assessment
  • Storm Water Monitoring
  • Watershed Assessment
  • Edge-of-Field Monitoring
  • Native Pollinators in Regional Soybean Fields


Arkansas State University's Ecotoxicology Research Facility is a US EPA certified test laboratory offering a variety of services including Whole Effluent Toxicity (WET) testing. In-house cultures are maintained to insure the availability and quality of test organisms. The ERF uses high quality water for culturing to give our organisms the best environment possible. Strict quality control on our culture waters, culture and test procedures, and organisms is maintained. Reference toxicity tests are performed monthly to insure the health and condition of our aquatic test organisms.

Aquatic test organisms:

  • Pimephales promelas
  • Ceriodaphnia dubia
  • Daphnia pulex
  • Daphnia magna

Sediment test organisms:

  • Chironomous dilutus (previous nomenclature C. tentans)
  • Hyalella azteca

Freshwater algae species:

  • Raphidocelis subcapitata (previous nomenclature Selenastrum capricornutum)

Stormwater Testing:

  • BOD
  • TSS
  • Ph
  • Oil and Grease

The ERF is experienced and capable of providing WET testing, sediment, bioaccumulation, and instream investigations for industry and municipalities. We are certified to perform NPDES chronic and acute testing in the state of Arkansas and results are provided with report formatting for all Discharge Monitoring Reports.

Our experience and interests also includes habitat and community assessments, in situ biomonitoring, and stream evaluations.


A-State ERF provides services to the following municipal & industrial clients:

  • Jonesboro City Water & Light
  • Jacobs, Fayetteville, AR
  • Norfork National Fish Hatchery
  • Mammoth Spring River Fish Hatchery
  • AECI Dell Power
  • City of Berryville

Testing has also been provided for:

  • CIBA Specialty, Inc.
  • WaterSolve, LLC
  • Syngenta Crop Protection
  • FlocMax, LLC

The ERF's experienced and capable researchers and technicians provide WET testing and reports in fulfillment of NPDES discharge permits. Our experience includes product testing for EPA registration, instream investigations, and aqueous and sediment impairment testing.