Washington State Department of Ecology

Publication Summary

Title	Chapter 173-221 WAC, Discharge Standards And Effluent Limitations For Domestic Wastewater Facilities
Online Availability	View this rule in Acrobat PDF format 18 kilobytes, requires version 4.0 or later of Adobe Acrobat Reader Software get Acrobat Reader View this rule in HTML format at the Code Reviser's website
Purpose	The purpose of this chapter is to implement RCW 43.21A.010, 90.48.010, and 90.52.040 by setting discharge standards which represent "all known, available, and reasonable methods" of prevention, control, and treatment for domestic wastewater facilities which discharge to waters of the state. This chapter supplements WAC 173–220–130. Guidelines or policies of the department not included in this chapter are not affected by this chapter, except that if such guidelines or policies are in conflict, the requirements of this chapter shall take precedence. This chapter also supplements 40 CFR Part 133; Secondary Treatment Regulation. Wherever this chapter is more stringent than the federal regulation, the requirements of this chapter shall take precedence.
Statutory Authority	RCW 90.48
Last update	November 12, 1987
Origin Date	November 12, 1987
Print Availability	Request from the Ecology Public Records Office
Number of pages	7
Keywords	discharge, domestic wastewater, effluent, facilities, guidelines, methods, regulation, standards, treatment, waste, wastewater
Related Publications	Title	Relationship
	Focus Sheet: Reduction of Monitoring for Good Performance at Wastewater Discharge Permit Facilities	Related publication

This page last updated August 11, 2011

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