Wastewater Technical Issue Reports - WA State Dept. of Health

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Technical Issue Reports

The following Technical Issue (Draft) Reports summarize the available literature about on-site wastewater topics of special interest to the on-site wastewater rule development activity currently underway. Links on this page will take the viewer to the specific report.

Please note that these reports are drafts and may undergo modification from time to time.

Application of Treatment Standards 1 and 2 - in Word or in PDF (534 KB)

Disposal Component Reductions - Highly pretreated effluent - in Word or in PDF (90 KB)

Disposal Component Reductions - Special Features and Applications of Drainfield Products - in Word   or in PDF (104 KB)

Failing Systems - in Word   or in PDF (80 KB)

Hydraulic Loading Rates - in Word   or in PDF (504 KB)

Linear Loading Rates - in Word   or in PDF (127 KB)

Minimum Lot Size - in Word   or in PDF (86 KB)

Organic Loading Rates - in Word or in PDF (404 KB)

Residential Flow Rates - in Word or in PDF (558 KB)

Sand and Media Specifications - in Word   or in PDF (105 KB)

Septic Tank Effluent Values - in Word   or in PDF (121 KB)

Type 1 A Soil Issues - in Word or in PDF (684 KB)

Wastewater Quality / Strength / and Content - in Word   or in PDF (314 KB)

For more information on these Technical Issue Reports, please send email to the Wastewater Management Program or call 360-236-3062.

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Wastewater Management Program
Office of Shellfish and Water Protection
Division of Environmental Health
Washington State Department of Health
PO Box 47824
Olympia, WA 98504-7824
Ph. 360-236-3062
Ph. 360-236-3330
FAx: 360-236-2257

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Last Update : 09/07/2006 06:19 PM