BMP IMPLEMENTATION TABLES

 

Table 1. Pollutants Generated by Development Category

 

Pollutants generated by various development categories include, but are not limited to:

Development Categories

Sediments

Nutrients

Heavy Metals

Organic Compounds

Trash & Debris

Oxygen Demanding Substances

Oil & Grease

Bacteria & Viruses

Pesticides

Detached Residential Developments

X

X

 

 

X

X

X

X

X

Attached Residential Developments

X

X

 

 

X

P(1)

P(2)

P

X

Commercial Developments >100,000 ft2

P(1)

P(1)

 

P(2)

X

P(5)

X

P(3)

P(5)

Automotive Service Facilities

 

 

X

X(4)(5)

X

 

X

 

 

Retail Gasoline Outlets

 

 

X

X(4)(5)

X

 

X

 

 

Restaurants

 

 

 

 

X

X

X

X

 

Hillside Developments

X

X

 

 

X

X

X

 

X

Parking Lots

P(1)

P(1)

X

 

X

P(1)

X

 

P(1)

Streets, Highways & Freeways

X

P(1)

X

X(4)

X

P(5)

X

 

 

X = anticipated P = potential

 

(1) A potential pollutant if landscaping exists on-site

(2) A potential pollutant if the project includes uncovered parking areas

(3) A potential pollutant if land use involves food or animal waste products

(4) Including petroleum hydrocarbons

(5) Including solvents

 

Note: Table adapted from the City of Carpinteria's Water Quality Protection Ordinance.

 

Table 2. Areas for Site Design and Source Control BMP Implementation by Development Category

 

Specific areas for implementation of Site Design
and Source Control BMPs include, but are not limited to:

Development Categories

Private Roads

Residential Driveways & Guest Parking

Loading/Unloading Dock Areas

Repair/Maintenance Bays

Vehicle Wash Areas

Outdoor Processing Areas

Equipment Wash Areas

Parking Areas

Roadways

Fueling Areas

Hillside Landscaping

Outdoor Material Storage Areas

Trash Storage Areas

Pools and Spas

Detached Residential Developments

R

R

 

 

 

 

 

 

 

 

R

 

 

R

Attached Residential Developments

R

 

 

 

 

 

 

 

 

 

 

 

R

R

Commercial Developments >100,000 ft2

 

 

R

R

R

R

 

 

 

 

 

R

R

 

Automotive Service Facilities

 

 

R

R

R

 

R

 

 

R

 

R

R

 

Retail Gasoline Outlets

 

 

R

R

R

 

R

 

 

R

 

R

R

 

Restaurants

 

 

R

 

 

 

R

 

 

 

 

R

R

 

Hillside Developments

R

 

 

 

 

 

 

 

 

 

R

 

 

 

Parking Lots

 

 

 

 

 

 

 

R

 

 

 

 

R

 

Streets, Highways & Freeways

 

 

 

 

 

 

 

 

R

 

 

 

 

 

R = Required to minimize pollutants of concern by selecting appropriate Site Design and Source Control BMPs.

 

Note: Table adapted from the City of Carpinteria's Water Quality Protection Ordinance.

 

Table 3. Treatment Control BMP Efficiency for Pollutants of Concern
(1)

 

Efficiency of Treatment Control BMP categories
for removal of pollutants of concern include, but are not limited to:

Pollutants of Concern

Biofilters

Detention Basins

Infiltration Basins(2)

Wet Ponds or Wetlands

Drainage Inserts

Filtration

Hydrodynamic Separator Systems(3)

Sediment

M

H

H

H

L

H

M

Nutrients

L

M

M

M

L

M

L

Heavy Metals

M

M

M

H

L

H

L

Organic Compounds

U

U

U

U

L

M

L

Trash & Debris

L

H

U

U

M

H

M

Oxygen Demanding Substances

L

M

M

M

L

M

L

Bacteria

U

U

H

U

L

M

L

Oil & Grease

M

M

U

U

L

H

L

Pesticides

U

U

U

U

L

U

L

L = Low removal efficiency for this pollutant

M = Medium removal efficiency for this pollutant

H = High removal efficiency for this pollutant

U = Unknown removal efficiency for this pollutant

(1)    The City is encouraged to periodically assess the performance characteristics of these BMPs to update this table.

(2)    Includes trenches and permeable pavement

(3)    Also known as hydrodynamic devices and baffle boxes

Sources: Guidance Specifying Management Measures for Sources of Nonpoint Pollution in Coastal Waters (1993), National Stormwater Best Management Practices Database (2001), and Guide for BMP Selection in Urban Developed Areas (2001).

Note: Table adapted from the City of Carpinteria's Water Quality Protection Ordinance.