Water / Toxicity Services

Scientists that Consult

From salt water to fresh water

From fresh water bioassays to salt water bioassays, MBC’s suite of water services includes toxicity testing, water quality studies, source tracking, and oceanographic studies. MBC’s toxicity laboratory is certified by California’s Environmental Laboratory Accreditation Program (ELAP) to conduct toxicity tests, and has been involved in both laboratory and field toxicity testing work since 1978. Water quality studies include measurements in fresh and salt water environments using moored and in "situ" field instruments. MBC biologists recently designed a study to determine likely sources of bacterial contamination in the eastern Sierras. This study includes weekly collection and bacteriological analysis of water samples, and samples for Molecular Source Tracking (MST). Oceanographic studies have included long-term temperature profiling (thermistor strings), current meter studies with both electromagnetic current meters and Acoustic Doppler Current Profilers (ADCPs), and circulation studies .

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What We Do Best:

Our Expertise

  • Chronic aquatic toxicity testing
  • Acute aquatic toxicity testing
  • Physical water quality parameter testing
  • Stormwater runoff toxicity testing
  • Hazardous waste toxicity testing
  • Source tracking
  • Ocean current meter testing
  • Bioaccumulation testing
  • Data imaging and analysis
  • Fresh Water Bioassays
  • Salt Water Bioassays

Water / Toxicity Services


Camp Pendleton Desalination Project

MBC provided marine biological, water quality and oceanographic assistance to the San Diego County Water Authority as part of a series of Technical Studies for a proposed seawater desalination project at Camp Pendleton.

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Huntington Beach Bacteriological Investigations

Persistent beach postings and closures at Huntington State Beach prompted a series of investigations by several agencies to determine the source of the bacterial contamination.

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LAC, OC & IC WET Testing Services

The City of Los Angeles Dept. Of Water and Power (LADWP) selected MBC to provide all whole effluent aquatic toxicity testing and professional toxicity consulting services.

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Water / Toxicity Services


AES Alamitos
AES Huntington Beach
AES Redondo Beach
Bubalo Construction
Cabrillo Power
CDM Smith
Chino MWD
City of Corona
City of Riverside
El Segundo Power
Elsinore Valley MWD
Inland Empire Utilities Agency
Irvine Ranch Water District
Larry Walker Associates
Long Beach Generation
Los Angeles Dept. of Water and Power
Mesa Water District
Moffat and Nichol
NRG Mandalay
NRG Ormond Beach
Pacific RIM
Port of Long Beach
Port of Los Angeles
Poseidon Water
RECON Environmental
San Bernardino MWD
TechComm International
U.S. Army Corps of Engineers
Yucaipa Valley Water District