Test resuslts on the Los Angeles River watershed conducted by the Los Angeles Regional Water Quality Control Board, 1996.
See the L.A. River Map for comparison of locations. Learn why the Nitrate/Nitrite test is important.
Tests and Graphics Copyright © 1996; Los Angeles Regional Water Quality Control Board (LARWQCB) (Region 4), 101 Centre Plaza Drive, Monterey Park, 91754-2156. Ph: (323) 266-7500, FAX: (323) 266-7600. Thanks for Ms. Ana Corado for her assistance.
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