Admin Order 58-09-07-F - Laserfiche WebLink

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3.2. Headwater stream. Based on the location of the setback measurement point and per EC 9.4778(1)(c), 40 foot setback areas were identified on the Water Quality Waterways Map extending landward in both directions from the stream centerline, forming GIS polygons. This setback area constitutes the entire water quality management area for Headwater Streams and was included on the adopted Water Quality Waterways Map. 4. The Water Quality Waterways Map, adopted as Exhibit A-1 to Ordinance No. 20430, is a Portable Document Format (PDF) file created from the geographic data layers referenced in sections 1-3 above. The City has retained the geographic data layers from which the Water Quality Waterways Map was produced and they are available for reference in interpreting the Water Quality Waterways Map. 5. Upon final approval of a change pursuant to EC 9.4780(3)(b)5, 9.4786 or 9.8030(25) necessitating an update to the Water Quality Waterways Map, the Planning Director or the Planning Director's designee, shall record at Lane County Deeds and Records a notice of the decision, prepare an updated Map indicating the date of the update and enter the date of the update with a reference to the underlying decision document on a log to be maintained by the City. R -9.4770-D Water Quality Function Rating System. Pursuant to EC 9.4782, when EC 9.4780(2), 9.4780(3) or 9.8030(25) requires the submittal of a certification, report or determination based on the city's Water Quality Function Rating System, the following provisions apply. 1. Preparer. The required certification, report or determination shall be prepared by one or more of the professionals described at EC 9.4782(2). 2. Content. The required certification, report or determination shall be composed of the following four components: 2.1. Site Plan I — Pre -Proposal Conditions. The purpose of this site plan is to illustrate the location and extent of the water quality function features as they exist on the subject lot prior to the proposed use, activity or adjustment and mitigation measures. The illustrations on this site plan must correspond with the pre -proposal rating calculations shown on the Water Quality Function Rating Table described in Section 2.3 of this rule. 2.1.1. This site plan must be submitted on a sheet of paper that can be folded to 8.5" x 11" and must be prepared at a scale sufficient for showing the details described at section 2.1.2., below. 2.1.2. This site plan shall include the following: Administrative Order - Page 6 of 12