Agenda Date: 3/12/2019
Subject:
Title
Ordinance review: revising Title 7, Chapter 7 of the Municipal Code, titled Littleton Storm Drainage Ordinance
Body
Presented By:
Carolyn Roan, Water Resource Manager
REQUESTED COUNCIL ACTION:
Does city council support revisions to the Littleton Storm Drainage Ordinance, Municipal Code Title 7 Chapter 7?
BACKGROUND:
The City of Littleton has been covered under the State of Colorado General Permit: "Certification to Discharge Under CDPS General Permit COR090000 Stormwater Discharges Associated with Municipal Separate Storm Sewer Systems (MS4)" since 2002 when the state first initiated this permit for smaller MS4s. This permit coverage is mandated under federal law, issued by the United States Environmental Protection Agency (EPA), as part of the Clean Water Act of 1972. The Phase I rule implemented the National Pollutant Elimination System (NPDES) programs for populations over 100,000 in 1990. The Phase II rule was initiated in 2002 that incorporated regulations for municipalities with populations under 100,000.
The Colorado Department of Public Health and Environment (CDPHE) is the permitting authority for the NPDES program. Many states have such permitting authority but a few are regulated directly by the EPA.
An MS4 is a system of conveyances (pipes, catch basins, curb/gutter, ditches, etc.) owned or operated by a public body that discharges to public waters. The purpose of the city's MS4 program is to promote, preserve, and enhance the natural resources within the city and to protect them from activities that would have an adverse and potentially irreversible impact on water quality. The city's MS4 program entails a variety of activities that are specifically required by the MS4 Permit aimed at protecting and improving water quality.
The MS4 permit is renewed every five years. Each renewal typically includes additional or revised requirements for stormwater programs. The current permit term began in Ju...
Click here for full text