1265 W. Grand Avenue, Porterville     Phone 559-782-7510

Certified under California Department of Public Health Environmental Laboratory Accreditation Program (ELAP)        Certificate #1653.

The City of Porterville Laboratory provides analytical services to various City departments and surrounding communities for drinking water, wastewater, and industrial wastewater testing.

Analytical Services:

• Bacteriological testing:

Total coliform and E-coli in drinking water.

Total coliform, fecal coliform,       E-coli in source water.

• Nitrate/Nitrite testing
• General Minerals
• Trace Metals
• Volatile Organic Compounds (VOC)

Laboratory Hours for receiving samples:

Bacteriological Samples

     Monday – Thursday 7:30 to 4:00 pm

All other samples

     Monday – Thursday 7:30 to 4:00;

     Friday 8:00 to 12:00 Noon