Orange County Sanitation District Response to El Niño forecast
——How Orange County California used a seasonal forecast in wastewater planning during the 1997-98 El Niño
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Principle # 1 2 3 4 5 6

Principle 2: Does climate matter?
Flood-water conditions add a load of water to the wastewater system that can potentially lead to dangerous overflows of unsanitary water into the public domain. Therefore, rainfall anomalies are relevant to the Orange Country Sanitation District (OCSD).