Washington Administrative Code

Reclaimed water performance standards. All Class A and Class B reclaimed water at a minimum must meet the technology-based performance standards listed in Table 1 and Table 2 for the class of reclaimed water generated at the facility. Compliance shall generally be measured at the…

(1) Disinfection process: Class A reclaimed water. The engineering report must demonstrate, to the satisfaction of the lead agency that the proposed disinfection method consistently provides the required level of adequate and reliable disinfection to help preserve the quality of …

(1) Operational reliability requirements.(a) Entities must design and construct all reclaimed water facilities to assure operational reliability at all times, consistent with the approved engineering report, per WAC 173-219-210, operate it as directed in approved operations and m…

This section applies only to the storage or distribution facilities for Class A and Class B reclaimed water.(1) Operational storage or distribution. The stored reclaimed water must meet the provisions of WAC 173-219-370, unless waived by the lead agency, in consultation with heal…

The generator and distributor must maintain a chlorine residual as follows:(1) Chlorine residual in the distribution system. A minimum chlorine residual of ≥0.2 mg/L free chlorine or ≥0.5 mg/L total chlorine is required in pipeline distribution systems conveying the reclaimed wat…

(1) Site evaluation. The lead agency may include reclaimed water permit conditions for additional use area requirements in sensitive or critical areas, or where deemed that additional measures are needed or the lead agency may determine use in a proposed area is infeasible, and n…

The lead agency may consider and approve other uses not listed in Table 3 below on a case-by-case basis.Table 3: Use-Based Performance StandardsBeneficial UseReclaimed Water Class RequirementsAdditional RequirementsIndoor Use(1) Commercial or industrial facilities, buildings, apa…

Pursuant to RCW 90.58.030 (2)(d), the department of ecology herein designates the shorelands associated with the streams, lakes, and tidal waters which are subject to the provisions of chapter 90.58 RCW.[Statutory Authority: Chapter 90.58 RCW. WSR 17-17-016 (Order 15-06), § 173-2…

The provisions of this chapter shall apply statewide.[Order DE 72-15, § 173-22-020, filed 6/30/72.]

As used herein, the following words have the following meanings:(1) "Associated wetlands" means those wetlands which are in proximity to and either influence or are influenced by tidal waters or a lake or stream subject to the Shoreline Management Act;(2) "Flood plain" is synonym…

Identification of wetlands and delineation of their boundaries pursuant to this chapter shall be done in accordance with the approved federal wetland delineation manual and applicable regional supplements. Review copies are available at the department of ecology headquarters and …

The following criteria contain the standards for the department's designation of shoreland areas associated with shorelines of the state which are subject to the jurisdiction of chapter 90.58 RCW:(1) Tidal waters. The shoreland area shall include:(a) Those lands which extend land…

Each local government master program shall include a map of shorelands constituting shorelines of the state within the jurisdiction of the master program that complies with the requirements of RCW 90.58.030 (2)(d).[Statutory Authority: Chapter 90.58 RCW. WSR 17-17-016 (Order 15-0…

Alterations of the existing conditions of shorelines and wetlands of the state which affect the boundary or volume of those water bodies, whether through authorized development or natural causes, shall warrant a review of the designation of those shorelines and their associated w…

In the event that any of the shoreland designations in a shoreline master program conflict with the criteria set forth in this chapter the criteria shall control. The boundary of the designated shoreland areas shall be governed by the criteria set forth in WAC 173-22-040 except t…

Those nonfederal lands lying within the exterior boundaries of federal lands and those federal lands leased to other persons, which fall within the definition of shorelands, shall be subject to the jurisdiction of chapter 90.58 RCW. Areas and uses in those areas that are under ex…

The purpose of this chapter is to establish a state individual permit program, applicable to the discharge of pollutants and other wastes and materials to the surface waters of the state, operating under state law as a part of the National Pollutant Discharge Elimination System (…

No pollutants shall be discharged to any surface water of the state from a point source, except as authorized by an individual permit issued pursuant to this chapter or as authorized by a general permit issued pursuant to chapter 173-226 WAC.[Statutory Authority: Chapter 90.48 RC…

For purposes of this chapter, the following definitions shall be applicable:(1) "Administrator" means the administrator of the United States Environmental Protection Agency.(2) "Combined waste treatment facility" means any publicly owned waste treatment facility in which the maxi…

(1) Any person presently discharging pollutants to surface waters of the state must file an application with the department on a form prescribed by the department. For the purpose of satisfying the requirements of this subsection, any completed application filed with the Environm…

(1) Public notice of every draft permit determination regarding an individual permit shall be circulated in a manner designed to inform interested and potentially affected persons of the proposed discharge and of the proposed determination to issue or deny a permit for the propos…

(1) The department shall prepare a fact sheet for every draft permit determination. Such fact sheets shall, at a minimum, summarize the following:(a) The type of facility or activity which is the subject of the application;(b) The location of the discharge in the form of a sketch…

The department shall notify other appropriate government agencies of each draft permit determination and shall provide such agencies an opportunity to submit their written views and recommendations. Such notification shall include the following:(1) Unless the regional administrat…

(1) In accordance with chapter 42.17 RCW, the department shall make records relating to NPDES permits available to the public for inspection and copying.(2) The department shall protect any information (other than information on the effluent) contained in its NPDES permit records…

The applicant, any affected state, any affected interstate agency, any affected country, the regional administrator, or any interested agency or person may request a public hearing with respect to a draft permit determination. Any such request for a public hearing shall be filed …

(1) The department shall circulate public notice of any hearing held pursuant to WAC 173-220-090 at least as widely as was the notice pursuant to WAC 173-220-050. Procedures for the circulation of public notice for hearings held under WAC 173-220-090 shall include at least the fo…

The department will prepare tentative staff determinations with respect to a permit application in advance of public notice of the proposed issuance or denial of a permit. Such tentative determinations shall include at least the following:(1) A proposed determination to issue or …

No permit issued by the department shall authorize any person to:(1) Discharge any radiological, chemical or biological warfare agent or high-level radioactive waste into surface waters of the state;(2) Discharge any pollutants which the secretary of the army acting through the c…

(1) Any permit issued by the department shall apply and insure compliance with all of the following, whenever applicable:(a) All known, available, and reasonable methods of treatment required under RCW 90.52.040, 90.54.020 (3)(b), and 90.48.520; including effluent limitations est…

Permits authorized for issuance under chapter 173-220 WAC may be signed by the director or any person designated in WAC 173-06-030.[Order DE 74-1, § 173-220-135, filed 2/15/74.]

(1) The department shall establish schedules and permit conditions as follows to achieve compliance with applicable effluent standards and limitations, water quality standards, and other legally applicable requirements:(a) With respect to any discharge which is found not to be in…

(1) In addition to the requirements of WAC 173-220-130 and 173-220-140, each issued permit shall require that:(a) All discharges authorized by the permit shall be consistent with the terms and conditions of the permit;(b) Any facility expansions, production increases or process m…

Immediately following issuance, the department shall transmit a copy of every issued permit along with any and all terms, conditions, requirements, or documents which are a part of such permit or which affect the authorization by the permit of the discharge of pollutants to the r…

Discharges of pollutants or other wastes that require permits from the department under RCW 90.48.160, which are not satisfied through permits issued under this chapter, shall be subject to the permit requirements of RCW 90.48.160, et seq. Except where permits under RCW 90.48.160…

(1) Permits shall be issued for fixed terms not exceeding five years.(2) Any permittee shall make application for replacement to an existing permit or continuation of a discharge beyond the expiration date of his/her permit by filing with the department an application for replace…

(1) Any permit issued under this chapter can be modified or revoked in whole or in part by the department for cause including, but not limited to, the causes listed in WAC 173-220-150 (1)(d) or when remanded to the department for modification by the pollution control hearings boa…

(1) A permit is automatically transferred to a new discharger if:(a) A written agreement between the old and new discharger containing a specific date for transfer of permit responsibility, coverage, and liability is submitted to the director; and(b) The director does not notify …

(1) Monitoring.(a) Any discharge authorized by a permit may be subject to such monitoring requirements as may be reasonably required by the department, including the installation, use, and maintenance of monitoring equipment or methods (including, where appropriate, biological mo…

Individual permits are subject to appeals as specified in chapter 43.21B RCW.[Statutory Authority: Chapter 90.48 RCW. WSR 93-10-099 (Order 92-55), § 173-220-225, filed 5/5/93, effective 5/19/93. Statutory Authority: RCW 90.54.020 and chapter 90.48 RCW. WSR 88-22-059 (Order 88-9),…

(1) The department, with the assistance of the attorney general, may sue in courts of competent jurisdiction to enjoin any threatened or continuing violations of any permits or conditions thereof without the necessity of a prior revocation of the permit;(2) The department may ent…

(1) The energy facility site evaluation council (EFSEC) shall be the state agency to receive applications for, issue, and modify permits for energy facilities subject to chapter 80.50 RCW. Processing of such applications shall be controlled by chapter 463-38 WAC. Application for …

(1) 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 water…

Waters of the state shall be of the highest possible quality. Regardless of the quality of the waters of the state, all wastes and other materials and substances proposed for discharge into said waters shall be provided with all known, available, and reasonable methods of treatme…

As used in this chapter, unless the context indicates otherwise:(1) "Seven-day average" means the arithmetic mean of pollutant parameter values for samples collected in a period of seven consecutive days. The department may use pollutant parameter values for samples collected in …

(1) Except as allowed under WAC 173-221-050, domestic wastewater facilities which discharge to surface waters shall not exceed a thirty-day average of 30 milligrams per liter (mg/L) BOD, 30 mg/L TSS. Seven-day averages shall not exceed 45 mg/L BOD, 45 mg/L TSS. Additionally, the …

(1) Alternative discharge standards for trickling filters which were constructed and/or expanded prior to November 1984 are:(a) Up to a thirty-day average of 45 mg/L BOD, 45 mg/L TSS. Seven-day averages shall not exceed 65 mg/L BOD, 65 mg/L TSS. In addition, the thirty-day averag…

If any provision of this chapter or the application thereof to any person or circumstance is held invalid, such invalidity shall not affect other provisions or applications of this chapter which can be given effect without the invalid provision or application.[Statutory Authority…

This chapter implements chapters 43.21A, 90.48, 90.52, and 90.54 RCW by setting minimum discharge standards which represent "known, available, and reasonable methods" of prevention, control, and treatment for industrial wastewater facilities that discharge to waters of the state.…

Waters of the state shall be of the high quality. Regardless of the quality of the waters of the state, all wastes and other materials and substances proposed for entry into said waters shall be provided with all known, available, and reasonable methods of treatment prior to entr…

As used in this chapter, unless the context indicates otherwise:"Department" means the department of ecology."Director" means the director of the department of ecology, or designee."General NPDES permit" means a permit designed to cover multiple dischargers of a point source cate…