Special Districts > Crestline Sanitation District > History & Background
 

Effluent Outfall System

Treated effluent from all three District facilities and the effluent pumped from the Pilot Rock Conservation Camp Treatment Facility (0.01-mgd capacity) are conveyed via pipeline to Las Flores Ranch north of Lake Silverwood. There, the effluent is used for pasture irrigation. The pipeline was built in 1970 to transport effluent around Lake Silverwood.

The pipeline from the Huston Creek facility is 23,400 feet in length, ranges in size from 12 to 21 inches in diameter and has  accommodated up to 6.0 mgd. The Seeley Creek facility outfall line is 6,000 feet in length, ranges in size from 10 to 15 inches in diameter and connects to the pipeline from Huston Creek along Highway 138. An emergency storage pond, about 1500 feet downstream of the Seeley Plant, can store 0.20 MG during an emergency. These pipelines were constructed using lined asbestos cement pipe, except for one short ductile iron pipe section (bridge crossing), and consist of various pressure classes (atmospheric to 250 psi). The combined pipeline also has a capacity of 5.0 mgd, has a total length of 34,200 feet in length and ranges in size from 10 to 21 inches in diameter. The total length of outfall system from the Huston Creek plant to the effluent disposal site is approximately 11 miles.

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