RCW 90.48.580
Water quality data—Credible data, information, literature.
(1) The department shall use credible information and literature for developing and reviewing a surface water quality standard or technical model used to establish a total maximum daily load for any surface water of the state.
(2) The department shall use credible data for the following actions after June 10, 2004:
(a) Determining whether any water of the state is to be placed on or removed from any section 303(d) list;
(b) Establishing a total maximum daily load for any surface water of the state; or
(c) Determining whether any surface water of the state is supporting its designated use or other classification.
(3) The department shall respond to questions regarding the data, literature, and other information it uses under this section. The department shall reply to requests within five business days acknowledging that the department has received the request and provide a reasonable estimate of the time the department will require to respond to the request.
(4) The department, the United States environmental protection agency, and the Indian tribes in Washington state have developed a voluntary agreement relating to the cooperative management of the clean water act section 303(d) program. The department shall consider water quality data that has been collected by Indian tribes under a quality assurance project plan that has been approved by the United States environmental protection agency if that data meets the objectives of the plan.
[ 2004 c 228 § 3.]
Structure Revised Code of Washington
Title 90 - Water Rights—Environment
Chapter 90.48 - Water Pollution Control.
90.48.010 - Policy enunciated.
90.48.030 - Jurisdiction of department.
90.48.035 - Rule-making authority.
90.48.037 - Authority of department to bring enforcement actions.
90.48.039 - Hazardous substance remedial actions—Procedural requirements not applicable.
90.48.045 - Environmental excellence program agreements—Effect on chapter.
90.48.080 - Discharge of polluting matter in waters prohibited.
90.48.090 - Right of entry—Special inspection requirements for metals mining and milling operations.
90.48.100 - Request for assistance.
90.48.112 - Plan evaluation—Consideration of reclaimed water.
90.48.144 - Violations—Civil penalty—Procedure.
90.48.150 - Construction of chapter.
90.48.153 - Cooperation with federal government—Federal funds.
90.48.156 - Cooperation with other states and provinces—Interstate and state-provincial projects.
90.48.158 - Grants to public bodies authorized.
90.48.160 - Waste disposal permit—Required—Exemptions.
90.48.162 - Waste disposal permits required of counties, municipalities and public corporations.
90.48.215 - Upland finfish facilities—Waste discharge standards—Waste disposal permit.
90.48.230 - Application of administrative procedure law to rule making and adjudicative proceedings.
90.48.240 - Water pollution orders for conditions requiring immediate action—Appeal.
90.48.250 - Agreements or contracts to monitor waters and effluent discharge.
90.48.261 - Exercise of powers under RCW 90.48.260—Aquatic resource mitigation.
90.48.262 - Implementation of RCW 90.48.260—Permits for energy facilities—Rules and procedures.
90.48.270 - Sewage drainage basins—Authority of department to delineate and establish.
90.48.280 - Sewage drainage basins—Comprehensive plans for sewage drainage basins.
90.48.310 - Application of barley straw to waters of the state.
90.48.364 - Discharge of oil into waters of the state—Definitions.
90.48.366 - Discharge of oil into waters of the state—Compensation schedule.
90.48.367 - Discharge of oil into waters of the state—Assessment of compensation.
90.48.368 - Discharge of oil into waters of the state—Preassessment screening.
90.48.386 - Department of natural resources leases.
90.48.390 - Coastal protection fund—Established—Moneys credited to—Use.
90.48.400 - Coastal protection fund—Disbursal of moneys from.
90.48.422 - Water quality standards—Compliance methods—Department authority.
90.48.430 - Watershed restoration projects—Approval process—Waiver of public review.
90.48.445 - Aquatic noxious weed control—Water quality permits—Definition.
90.48.448 - Eurasian water milfoil—Pesticide 2,4-D application.
90.48.465 - Water discharge fees—Report to the legislature.
90.48.467 - Report to the legislature—Required information.
90.48.480 - Reduction of sewer overflows—Plans—Compliance schedule.
90.48.490 - Sewage treatment facilities—Plans to upgrade or construct.
90.48.495 - Water conservation measures to be considered in sewer plans.
90.48.530 - Construction projects involving fill material—Leaching test.
90.48.531 - Leaching tests—Identification—Report to the legislature.
90.48.540 - Use attainability analysis of water within federal reclamation project boundaries—Rules.
90.48.570 - Water quality data—Findings—Intent.
90.48.575 - Water quality data—Definitions.
90.48.580 - Water quality data—Credible data, information, literature.
90.48.585 - Water quality data—When credible.
90.48.590 - Water quality data—Falsified data—Penalty.
90.48.595 - On-site sewage disposal system repair and replacement—Loan and grant programs.
90.48.615 - Motorized or gravity siphon aquatic mining—Prohibited acts.