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Central Coast board says nitrate loading from irrigated agriculture remains 'ongoing and severe'
Summary
Central Coast regional staff told the expert panel they have years of farm-level data and concluded nitrate loading is excessive in many areas; the region has adopted fertilizer application targets and a 50-pound-per-ranch-acre groundwater protection limit in Ag Order 4.
Elaine Sals, the irrigated lands program manager for the Central Coast Regional Water Quality Control Board, told the expert panel that nitrate-related groundwater contamination in the Central Coast is widespread and persistent and that the region’s data show continued excessive nitrogen loading from irrigated agriculture.
The nut graf: Sals said the Central Coast has been regulating irrigated agriculture for more than 20 years, has a large set of farm-level and well data and adopted fertilizer application targets and nitrogen-discharge…
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