ZA05-10_Stormwater Code Amendments (2)

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PLANNING REPORT DATE: August 16,2005 SUBJECT: Code Amendment Proposal: Stormwater Control for Construction Sites CASE: ZA05-10 BACKGROUND The Environmental Protection Agency(EPA)estimates that over 40%of the nation's waterbodies are polluted. The EPA mandates that municipalities help prevent pollution and consequently,the City of New Brighton is charged with developing a Storm Water Pollution Prevention Plan (SWPPP)for water that enters the City's stormwater system. The City is responsible for maintaining a National Pollution Discharge Elimination Systems (NPDES)permit. One NPDES Permit requirement is for the City to develop a Stormwater Pollution Prevention Plan,which has several"best management practices,"to control pollution. NPDES—Best Management Practice for Construction Site Permitting(BMP-11) The City must develop, implement, and enforce a program to reduce pollutants in any storm water run off from construction activities within the City that result in land disturbances of greater than or equal to one acre. The City,by strengthening the stormwater run off controls within the City Code, is implementing a Best Management Practice(BMP). This includes: • An ordinance to require erosion and sediment controls; • Requirements for construction site operators to implement appropriate erosion and sediment control practices; • Requirements to control waste on site, such as discarded building materials, concrete truck washout, chemicals,litter, and sanitary waste at the construction site that may cause adverse impacts to water quality; • Site plan review procedures that incorporate consideration of potential water quality impacts; • Procedures for receipt and consideration of reports of non-compliance or other information on construction related issues submitted by the public; and, • Procedures for site inspection and enforcement of control measures. The Engineering Department has crafted code amendment text,which if adopted,will assist the City in fulfilling the obligations to the EPA for the City's NPDES Permit. The following text should be reviewed by the Planning Commission and discussed. I:\COMMISSIONS\PLANNING\Reports\2005\08-16-05\ZA05-10_Stormwater Code Amendments.doc 1