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2002-17 I I I BILL NO. 2002-17 AN ORDINANCE RELATING TO STORMWA TER MANAGEMENT REGULATIONS; AMENDING CHAPTER IV OF THE RICHFIELD CITY CODE THE CITY OF RICHFIELD DOES ORDAIN: Section 1. Chapter IV of the Richfield City Code is amended by adding the following Section: Section 429 - Water Resource Management Regulations 429.01. Purpose. The purpose of these regulations is to achieve the policies described in the city's surface water management plan relating to wetland management, shoreline and streambank improvements, stream and lake crossings, dredging, and stormwater management. 429.03. Definitions. Subdivision 1. For purposes of this section, the following terms have the meanings set forth below. Subd.2. Best Management Practices (BMPs): Guidance and design criteria for stormwater management facilities contained within the Minnesota Pollution Control Agency's publication entitled, "Protecting Water Quality in Urban Areas", dated October 1989 and as amended. 429.05. Stormwater Manaqement for Land Alterinq Activities. Subdivision 1. Administration. The city council hereby designates the Director of Public Works as the administrator of this section. Subd. 2. Application. Stormwater management plans shall be reviewed and approved under the existing building permit review process. The applicant must include the requirements of this section in the plans submitted as part of the building permit review. Subd. 3. Activities Subject to Stormwater Manaqement Requlations. The following table I outlines those activities that require no permit and those activities that require permits for stormwater management as outlined in the city's comprehensive surface water management plan for various development and redevelopment activities: Table I Requirements No permit BMPs Water Water Project quantity quality control control a) Single- family home X construction b) Construction on less X than 2 acres w/ density of less than or equal to 2 acres c) Residential X subdivision between 2 and 8 acres d) Residential X X subdivision between 8 and 20 acres e) Residential X X X subdivision greater than or equal to 20 acres f) Multi-unit residential X development w/ less than 8 units/acre g) Multi-unit residential X development greater than 2 acres and less than 5 acres h) Multi-unit residential X X development greater than or equal to 5 acres and less than 8 acres i) Multi-unit residential X X X development greater than 8 acres j) Commercial, X industrial, institutional, or mixed use development of less than Y2 acre k) Commercial, X X industrial, institutional, or mixed use development of greater than Y2 acre and less than 8 acres I) Commercial, X X X I I I I Requirements No permit BMPs Water Water Project quantity quality control control industrial, institutional, or mixed use development of greater than 8 acres m) Maintenance, X improvement, or construction of public or private road, street, highway, sidewalk, trail, other linear project or parking lot that does not result in net increase in impervious surface n) Maintenance, X improvement, or construction of public or private road, street, highway, sidewalk, trail, other linear project or parking lot that results in net increase in impervious surface of less than 1 acre 0) Maintenance, X X improvement, or construction of public or private road, street, highway, sidewalk, trail, other linear project or parking lot that results in net increase in impervious surface of greater than 1 acre and the project area is less than 5 acres p) Maintenance, X X X improvement, or construction of public or private road, street, highway, sidewalk, trail, other linear project or parking lot that results in net increase in I I Requirements No permit BMPs Water Water Project quantity quality control control impervious surface of greater than 1 acre and the project area is more than 5 acres a. Stormwater runoff discharge rates may not exceed the existing conditions for the 1-, 10-, and 100-year storm events. If the increase in imperviousness IS 50% or greater, the discharge rate requirements must be based on pre-development conditions. b. Stormwater runoff to a landlocked area that cannot handle the increased runoff must maintain runoff volumes to the existing conditions. c. Water quality control facilities must remove 50% of the phosphorous on an annual average removal basis. d. Stormwater ponds must have a 10-foot, 10: 1 bench, two feet of freeboard, and must remove floatables from a 1-year event. e. Sidewalks and trails that do not exceed 10 feet in width and are bordered by a pervious buffer of at least 5 feet on each side are not included in calculations for net increase in impervious surface. f. Water quality and quantity provision requirements may be waived by the administrator if a downstream facility is in place or will be constructed and the facility IS designed to accommodate the stormwater runoff from the project. g. The requirements of this ordinance may be waived by the administrator or board of adjustments and appeals if it is determined that I I I - ---..,-,~~~- ~- ~ ._---.--.,~~ - - - I meeting the requirements of this subsection on site is not feasible. Subd. 4. Construction Standards. The design and construction criteria for stormwater management plans outlined in the city's surface water management plan and the MPCA "Protection Water Quality in Urban Areas" shall be utilized as the construction standards for these regulations. These criteria are on file in the city engineering office. I I I I I I II I I I I I I 429.07. Penalties for Violation. Subdivision 1. Violation of the provisions of these regulations or failure to comply with any of its requirements shall constitute a misdemeanor and shall be punishable as defined by law. Subd. 2. Nothing herein contained shall prevent the City of Richfield from taking such other lawful action as is necessary to prevent or remedy any violation. Such actions may include but are not limited to: a. In responding to a suspected ordinance violation, the administrator and/or building official may utilize the full array of enforcement actions available to the guilty party. b. When an ordinance violation is either discovered by or brought to the attention of the administrator or building official, the situation shall immediately be investigated. Documentation of the nature and extent of the violation of the official control must be provided. c. The administrator must notify the suspected party of the requirements of this ordinance and all other official controls and the nature and extent of the suspected violation of these controls. If the structure or use is under construction or development, the Administrator may order the construction or development immediately halted until a proper permit is granted by the city. If the construction or development is already completed, then the administrator may either: a) issue an order identifying the corrective actions that must be made within a specified time period to bring the use or structure into compliance with the official controls; or b) notify the responsible party to apply for an after-the-fact permit within a specified period of time not to exceed 30 days. d. If the responsible party does not appropriately respond to the administrator or building official within the specified period of time, each additional day that lapses constitutes an additional violation of this regulation and may be prosecuted accordingly. The administrator must also, upon the lapse of the specified response period, notify the landowner to I restore the land to the condition that existed prior to the violation of this regulation. I Section 2. This ordinance is effective in accordance with section 3.09 of the Richfield City Charter. Passed by the City Council of the City of Richfield, Minnesota this 14th day of May, 2002. /71;Uh~~C) U Martin J. Kirsch;-Mayor ATTEST: I I CI --- 1 newspapers AFFIDAVIT OF PUBLICATION STATE OF MINNESOTA) ss. COUNTY OF HENNEPIN) Gene Carr, being duly sworn on an oath states or affirms, that he is the publisher of the news- Sun-Current , and has full knowledge of the facts stat- paper known as ed below: (A) The newspaper has complied with all of the requirements constituting qualification as a qualified newspaper, as provided by Minn. Stat. s331A.02, s331A.07, and other applicable .' laws, as amended. (B) The printed public notice that is attached was published in the newspaper once each week, for ~ successive weeks; it was first published on Wednesday, the ~ day of May , 2002, and was thereafter printed and published on every Wednesday to and including Wednesday, the _ day of , 2002; and printed below is a copy of .1 the lower case alphabet from A to Z, both inclusive, which is hereby acknowledged as being the size and kind of type used in the composition and publication of the notice: abcdefghijklmnopqrstuvwxyz ? BY: President and Publisher Subscribed and sworn to or affirmed b'fore me on this ~ day of Y)J& ~, ~002. filM l'ft. L~~~ 5lJ,~~ Notar\U~ublic~ ..N~'N'N"v..^N".ti I~""':"':" MERIDEL M. HEDBLOM I j~"', ~ ~ NOTARY PUBLlC.MINNESOTA \~:,:/ MY COMMISSION EXPIRES 1.31-2005 . . RATE INFORMATION (1) Lowest classified rate paid by commercial users for comparable space $ 2.85 per line (2) Maximum rate allowed by law $ 6.20 per line i (3) Rate actually charged $ 1.40 per line City of Richfield (Official Publication) SUMMARY PUBLICATION BILL NO. 2002-17 AMENDMENT TO CITY OF RICHFIELD I ORDINANCE CODE SECTION 429 This summary of the ordinance is published pursuant to I Section 3.12 ofthe Richfield City Charter. , The purpose of this ordinance is to set minimum standards for stormwater mariagement based on project type and I size. The requirements of this ordinance are directed at I land development activities that take place away from wetlands. Said requirements are intended to protect wet- lands from pollution and nearby properties from flooding by controllmg the rate and the quality of water that is dis- I charged into those wetlands. I Copies of t~e ordinance are available for public inspection m the Pubhc Works Department during normal business . hours or upon request by calling Engineering Supervisor George Atkinson at 612-861-9191. Adopted by the City Council of the City of Richfield Min- -I' nesota this 14th day of May, 2002. ' Martin J. Kirsch, Mayor ATTEST: Nancy Gibbs, City Clerk (May 22, 2002)D2IBill 2002-17