2010 Stormwater Management Report (PDF) - US Environmental ...

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7.0 ENFORCEMENT The Commission’s approach to enforcement is generally proactive in that it focuses primarily on public and contractor education, and requiring proper site planning by developers. Enforcement, including fines, is supported by the Commission Sewer Use Regulations and the Site Plan Requirements. The Commission’s method of enforcement varies, depending on the type and magnitude of the violation. In most cases, the Commission prefers to work with violators or responsible parties to ensure that the problem is quickly and effectively remedied. If the owner fails to take action and remedy the problem, a letter of violation is issued and a fine may be assessed. In 2010, Field Engineering responded to 63 reports of a potential spill, leak, or report of illicit dumping. Table 3 – 3 in section 3.2. lists the incidences to which the Commission responded in 2010. Enforcement notices were issued by staff in 9 of those instances. Fines were assessed in 3 instances. 7 - 1
8.0 WATER QUALITY IMPROVEMENTS The Commission’s Stormwater Management Program is a compilation of programs, activities, and best management practices aimed at preventing the discharge of pollutants to storm drains and receiving waters. Water quality improvements attributable to the Commission’s Management Program are difficult to quantify, since most of the measures the program contains are non-structural, and are aimed at controlling the introduction of pollutants to the storm drain system at their sources, as opposed to end-of-pipe treatment. Therefore, the Commission assesses water quality improvements based on measures that are quantifiable, such as how much wastewater is removed from the drainage system when an illegal connection is eliminated and how much sediment is removed from stormwater runoff by structural devices. 8.1 ILLEGAL CONNECTION ELIMINATION The Commission believes that eliminating illegal sanitary connections to storm drains is the most cost-effective and environmentally beneficial means of improving water quality. In 2010, the commission corrected eighteen (18) illegal connections, thereby eliminating the discharge of an estimated 8,632 gallons per day (gpd) of wastewater to the drainage system and receiving waters. Between 1986 when the Commission first began eliminating illegal connections, and the end of 2010, the Commission eliminated over 1,093 illegal connections, thereby eliminating the discharge of an estimated total of 575,849 gallons of wastewater per day to the storm drainage system and receiving waters. 8.2 SEWER, DRAIN, CATCH BASIN AND PARTICLE SEPARATOR CLEANING In 2010, the Commission and its contractors removed an estimated 7,451 tons of material from the Commission’s catch basins, particle separators, and drains that might have otherwise ended up in local rivers and waterways. 8.3 BMPS ON PRIVATE PROPERTY Under the Commission’s Sewer Use Regulations and Requirements for Site Plans, there are several provisions requiring the installation of structural best management practices by private parties, as described below. 8- 1
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2010 Stormwater Management Report B
Page 6 and 7:
TABLE OF CONTENTS (cont.) 5.0 PROGR
Page 8 and 9:
1.0 INTRODUCTION 1.1 PERMIT HISTORY
Page 10 and 11:
oadways, roadway maintenance, const
Page 12 and 13:
Table 1-1 BWSC Stormwater Outfalls
Page 14 and 15:
Table 1-2 Drainage Areas to Outfall
Page 16 and 17:
2.0 ILLEGAL CONNECTION REMEDIATION
Page 18 and 19:
Because upstream contamination sour
Page 20 and 21:
Table 2-1 Drainage Area Investigati
Page 22 and 23:
Table 2-1 Drainage Area Investigati
Page 24 and 25: The Commission estimates the wastew
Page 26 and 27: January 2011 BOSTON WATER AND SEWER
Page 28 and 29: January 2011 BOSTON WATER AND SEWER
Page 30 and 31: 3.0 STORMWATER MANAGEMENT ACTIVITIE
Page 32 and 33: Table 3 - 1 Brook Inlet and Outlet
Page 34 and 35: Table 3 - 2 BWSC Particle Separator
Page 36 and 37: 3.2 CONTROL OF NON-STORMWATER DISCH
Page 38 and 39: Table 3 - 3 Spill/Dumping Response
Page 40 and 41: Table 3 - 3 Spill/Dumping Response
Page 42 and 43: g. Yard Waste/Composting The Boston
Page 44 and 45: In 2010, the Commission approved 18
Page 46 and 47: Table 3 - 4 Private Infiltration De
Page 48 and 49: Table 3 - 5 Privately Installed Par
Page 50 and 51: and that negative impacts to stormw
Page 52 and 53: The composition of the material swe
Page 54 and 55: The Catch Basin Stenciling Program
Page 57 and 58: Vincent G. Mannering, Executive Dir
Page 63 and 64: The City of Boston’s dog fouling
Page 65: DON’T DUMP! A catch basin dumping
Page 69 and 70: 5.0 PROGRAM MODIFICATIONS Numerous
Page 71 and 72: 6.0 FINANCING STORMWATER MANAGEMENT
Page 73: These costs do not include the cost
Page 77 and 78: 9.0 ASSESSMENT OF STRUCTURAL CONTRO
Page 79: Table 9 - 1 2010 Particle Separator
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