Millcreek Township Stormwater Management Ordinance, No
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67 Upon motion by Richard P. Figaski , seconded by JosephS. K ujawa , the following Ordinance was duly enacted, _3_ voting in favor of enactment, _0_ voting against enactment. ORDINANCE 2011-11 An Ordinance of the Township of Millcreek, Erie County, Pennsylvania, amending and restating the Millcreek Township Stormwater Management Ordinance, No. 97-4 as amended by No. 2003-5; establishing stormwater management regulations consistent with the Erie County Act 167 County-Wide Stormwater Management Plan adopted in 2011 by the County of Erie; establishing regulations governing management of stormwater; imposing duties upon developers of land; providing for filing and administration of plans, the implementation of regulations and imposition of fees for plan fi1ing, review and administration; establishing penalties for violation and containing repealor and severability clauses. WHEREAS, the Township of Millcreek, pursuant to authority conferred under the Stonnwater Management Act and the Pennsylvania Municipalities Planning Code, enacted on October 9, 1990 Ordinance 90-28, entitled the St01mwater Ordinance, as Articles XIII through XIX of the Township's Subdivision Ordinance; and WHEREAS, upon adoption by the County of Erie in June 1996 of its stom1water management plan for the Lake Erie Area Watershed, the Township, by Ordinance No. 97-4, amended and restated its regulations governing stormwater management so as to conform with requirements of the County's Plan; and WHEREAS, the Township, by Ordinance No. 2003-5, amended and restated its stonnwater management regulations; and WHEREAS, the County of Erie in 2011 adopted a revised Act 167 County-Wide Stormwater Management Plan ("County Stonnwater Management Plan"); and WHEREAS, the Erie County Stonnwater Management Plan has been approved by the Pennsylvania Department of Environmental Protection; and WHEREAS, the Storm Water Management Act requires that all municipalities within the Lake Erie Area Watershed adopt st01mwater ordinances consistent with the Erie County Plan; and WHEREAS, the Erie County Stormwater Management Plan includes provisions with which Millcreek Township Ordinance No. 97-4 as amended does not comply; and WHEREAS, the Board of Supervisors deems it necessary and in the best interest of the public health, welfare and safety to enact a Stonnwater Ordinance which complies with the Erie County Stormwater Management Plan and addresses public concerns with stormwater management. BE IT ENACTED AND ORDAINED by the Board of Supervisors of Millcreek Township, Erie County, Pennsylvania as follows: 68 TABLE OF CONTENTS ARTICLE 1 - GENERAL PROVISIONS 4 · 1.01 Short Title.................................................................... :............................................... 4 1.02 Statement ofFindings ................................................................................................ .. 4 1.03 Purpose ............................................... : .... : ... .'.............................................................. 4 1.04 Statutory Authority ............................................................................: ....................... .. 5 1.05 Applicability .............................................................................................. :................ ·5 1.06 Compatibility With Other Requirements ................................................................... .. 6 1.07 Duty of Persons Engaged in the Development of Land .............................................. 6 0) 1.08 Municipal Liability Disclaimer ................................................................ : ................. .. 6 0 1.09 Incorporation into Subdivision 8!- Land Development Ordinance ............................. .. 6 <.0 01 1.10 Effective Date ............ ................................................................................................. .. 6 .....l. 1.11 Severability ................................................................................................................. 6 -....! 1.12 Repealor ............................................................................................................... : ...... 6 1 ARTICLE 2 - DEFINITIONS 7 2.01 General Provisions ...................................................................................................... 7 2.02 Specific Terms Defmed ................._. .............................................. :............................ .. 7 ARTICLE 3 - STORMWATER MANAGEMENT STANDARDS 16 3.01 General Requiretnents ................................................................................................. 16 3.02 Stormwater Management Standards; Calculation Methodology ............................... .. 20 3.03 Application of Standards ............................................................................................ .. 24 3.04 Volume Controls ......................................................................................................... 25 3.05 Rate Controls ............................................................................................................... 27 3.06 Grading Plans Where Ordinance Not Applicable ................................ :...................... 27 3.07 Modification of Approved Plans Prohibited .............................................................. .. 27 ARTICLE 4- EROSION AND SEDIMENTATION CONTROLS 27 4.01 Erosion and Sedimentation Control Requirements ................................................... .. 27 ARTICLE 5- DESIGN CRITERIA FOR STORMWATER MANAGEMENT CONTROLS 28 5.01 General Criteria ..................................................................... : ................................... .. 28 5.02 General Design Criteria for Stormwater Management and Drainage Facilities ........ 29 5.03 Design Criteria for Infiltration Systems .......................................................... .'.......... 30 5.04 Design Criteria for Flow-Attenuation Facilities ........................................................ .. 30 5.05 Design Criteria for St01mwater Detention Facilities ................................................. .. 31 5.06 Design Criteria for Collection/Conveyance Facilities ................................................ .. 36 ARTICLE 6- SWM SITE PLAN AND REPORT REQUIREMENTS 40 6.01 General Requirements ............................................................................................... .. 40 6.02 General Exemptions .............. }~ ................................................................................. .. 40 6.03 SWM Site Plan and Report Contents ......................................................................... 42 6.04 SWM Site•Plan and Report Submission ..................................................................... 49 2 69 TABLE OF CONTENTS ARTICLE 7- PLAN REVIEW PROCEDURES 50 7.01 Pre-Application Phase ............................................................................................... 50 7.02 SWM Site Plan and Report Reviews ..... : .... : .............................................................. 50 7.03 Modification ofPlans ................................................................................................. 52 7.04 Resubmission of Disapproved SWM Site Plan and Report ....................................... 52 7.05 Authorization to Construct and Term of Validity ...................................................... 52 7.06 Record Drawings, Completion Certificate and Final Inspection ............................... 53 7.07 Import of Stormwater Management Plan ................................................ : .................. 53 ARTICLE 8- EASEMENTS· 54 8.01 Easements Generally .................................................................................................. 54 8.02 Recording of Easement Interests ................................................................................ 54 1 ARTICLE 9 - MAINTENANCE OF STORMWA TER MANAGEMENT CONTROLS 55 9.01 Maintenance Responsibilities .................................................................................... 55 9.02 Maintenance Agreement for Privately-Owned Stormwater Facilities ....................... 56 9.03 Miscellaneous Provisions .............: ............................................................................. 57 ARTICLE 10- INSPECTIONS OF STORMWATE R MANAGEMENT CONTROLS 58 10.01 Inspections ............................ : ..................................................................................... 58 10.02 Schedule oflnspections .............................................................................................. 59 10.03 Right of Entry ............................................................................................................. 59 ARTICLE 11 - FINANCIAL GUARANTEES/DEDICATION OF PUBLIC IMPROVEMENTS 60 11.01 Financial Guarantees................................................................................................... 60 11.02 Dedication ofPublic Improvements............................................................................ 60 11.03 Express Conditions Upon Acceptance of Dedication................................................. 61 ARTICLE 12 - FEES AND ADMINISTRATION 62 12.01 Fee Schedule ............................................................................... :.............................. 62 12.02 Developer Obligated to Pay All Fees ......................................................................... 62 12.03 Aruninistration ..................................................................