Stormwater Management and Erosion and Sediment
Control.
In accordance with § 10 of the Municipal
Home Rule Law of the State of New York, the Town Board/Village Board
of Trustees of Harrison, has the authority to enact local laws and
amend local laws and for the purpose of promoting the health, safety
or general welfare of the Town of Harrison and for the protection
and enhancement of its physical environment. The Town Board of Harrison
may include in any such local law provisions for the appointment of
any municipal officer, employees, or independent contractor to effectuate,
administer and enforce such local law.
It is hereby determined that:
A. Land development activities and associated increases
in site impervious cover often alter the hydrologic response of local
watersheds and increase stormwater runoff rates and volumes, flooding,
stream channel erosion, or sediment transport and deposition;
B. This stormwater runoff contributes to increased quantities
of waterborne pollutants, including siltation of aquatic habitat for
fish and other desirable species;
C. Clearing and grading during construction tends to
increase soil erosion and add to the loss of native vegetation necessary
for terrestrial and aquatic habitat;
D. Improper design and construction of stormwater management
practices can increase the velocity of stormwater runoff, thereby
increasing stream bank erosion and sedimentation;
E. Impervious surfaces allow less water to percolate
into the soil, thereby decreasing groundwater recharge and stream
baseflow;
F. Substantial economic losses can result from these
adverse impacts on the waters of the municipality;
G. Stormwater runoff, soil erosion and nonpoint source
pollution can be controlled and minimized through the regulation of
stormwater runoff from land development activities;
H. The regulation of stormwater runoff discharges from
land development activities in order to control and minimize increases
in stormwater runoff rates and volumes, soil erosion, stream channel
erosion, and nonpoint source pollution associated with stormwater
runoff is in the public interest and will minimize threats to public
health and safety.
I. Regulation of land development activities by means
of performance standards governing stormwater management and site
design will produce development compatible with the natural functions
of a particular site or an entire watershed and thereby mitigate the
adverse effects of erosion and sedimentation from development.
The purpose of this local law is to establish minimum stormwater management requirements and controls to protect and safeguard the general health, safety, and welfare of the public residing within this jurisdiction and to address the findings of fact in §
130-3 hereof. This local law seeks to meet those purposes by achieving the following objectives:
A. Meet the requirements of minimum measures 4 and 5
of the SPDES General Permit for Stormwater Discharges from Municipal
Separate Stormwater Sewer Systems (MS4s), Permit No. GP-02-02 or as
amended or revised;
B. Require land development activities to conform to
the substantive requirements of the NYS Department of Environmental
Conservation State Pollutant Discharge Elimination System (SPDES)
General Permit for Construction Activities GP-02-01 or as amended
or revised;
C. Minimize increases in stormwater runoff from land
development activities in order to reduce flooding, siltation, increases
in stream temperature, and streambank erosion and maintain the integrity
of stream channels;
D. Minimize increases in pollution caused by stormwater
runoff from land development activities which would otherwise degrade
local water quality;
E. Minimize the total annual volume of stormwater runoff
which flows from any specific site during and following development
to the maximum extent practicable; and
F. Reduce stormwater runoff rates and volumes, soil erosion
and nonpoint source pollution, wherever possible, through stormwater
management practices and to ensure that these management practices
are properly maintained and eliminate threats to public safety.
G. Encourage
the use of green infrastructure practices to control stormwater runoff
such as protecting natural areas, reducing impervious cover, and runoff
reduction techniques to the maximum extent practicable.
[Added 5-5-2011 by L.L. No. 3-2011]
The following activities are exempt from review
under this law.
A. The construction of an addition to an existing structure
or any land-disturbing activity that involves less than 500 square
feet. However, any land-disturbing activity of any area shall follow
the applicable soil erosion BMP provided by the Town/Village.
B. Routine agricultural activity as defined in this local
law.
C. Routine maintenance activities that are performed
to maintain the original line and grade, hydraulic capacity or original
purpose of a facility.
D. Repairs to any stormwater management practice or facility
deemed necessary by the Stormwater Management Officer.
E. Any part of a subdivision if a plat for the subdivision
has been approved by the Town of Harrison and all infrastructure has
been installed in accordance therewith, on or before the effective
date of this law.
F. Land development activities for which a building permit
has been approved on or before the effective date of this law.
H. Installation of fence, sign, telephone, and electric
poles and other kinds of posts or poles.
I. Emergency activity immediately necessary to protect
life, property or natural resources.
J. Activities of an individual engaging in home gardening
by growing flowers, vegetables and other plants primarily for use
by that person and his or her family and or landscaping and horticultural
activities in connection with an existing structure.
The terms used in this local law or in documents
prepared or reviewed under this local law shall have the meaning as
set forth in this section.
AGRICULTURAL ACTIVITY
The activity of an active farm operation (as defined in Agriculture
and Markets Law) including grazing and watering livestock, irrigating
crops, harvesting crops, using land for growing agricultural products,
and cutting timber for sale, but shall not include the operation of
a dude ranch or similar operation, or the construction of new structures
associated with agricultural activities.
APPLICANT
A property owner or agent of a property owner who has filed
an application for a land development activity.
BUILDING
Any permanent structure having walls and a roof, designed
for the shelter of any person, animal, or property, and occupying
more than 120 square feet of area.
CHANNEL
A natural or artificial watercourse with a definite bed and
banks that conducts continuously or periodically flowing water.
CLEARING
Any activity that removes the vegetative surface cover.
DEDICATION
The deliberate appropriation of property by its owner for
general public use.
DEPARTMENT
The New York State Department of Environmental Conservation.
DESIGN MANUAL
The New York State Stormwater Management Design Manual, most
recent version including applicable updates, that serves as the official
guide for stormwater management principles, methods and practices.
DEVELOPER
A person who undertakes land development activities.
EROSION CONTROL MANUAL
The most recent version of the "New York Standards and Specifications
for Erosion and Sediment Control" manual, commonly known as the "Blue
Book."
GRADING
Excavation or fill of material, including the resulting conditions
thereof.
GREEN INFRASTRUCTURE
Green infrastructure approaches infiltrate, evapotranspire
or reuse stormwater, using soils and vegetation rather than hardscape
collection, conveyance and storage structures. Common green infrastructure
approaches include green roofs, trees and tree boxes, rain gardens,
vegetated swales, pocket wetlands, infiltration planters, vegetated
median strips, reforestation, and protection and enhancement of riparian
buffers and floodplains.
[Added 5-5-2011 by L.L. No. 3-2011]
IMPERVIOUS COVER
Those surfaces, improvements and structures that cannot effectively
infiltrate rainfall, snow melt and water (e.g., building rooftops,
pavement, sidewalks, driveways, etc).
INDUSTRIAL STORMWATER PERMIT
A State Pollutant Discharge Elimination System permit issued
to a commercial industry or group of industries which regulates the
pollutant levels associated with industrial stormwater discharges
or specifies on-site pollution control strategies.
INFILTRATION
The process of percolating stormwater into the subsoil.
JURISDICTIONAL WETLAND
An area that is inundated or saturated by surface water or
groundwater at a frequency and duration sufficient to support a prevalence
of vegetation typically adapted for life in saturated soil conditions,
commonly known as hydrophytic vegetation.
LAND DEVELOPMENT ACTIVITY
Construction activity including clearing, grading, excavating,
soil disturbance or placement of fill that results in land disturbance
of equal to or greater than five thousand (5,000) square feet or activities
disturbing less than five thousand (5,000) square feet of total land
area that is part of a larger common plan of development or sale,
even though multiple separate and distinct land development activities
may take place at different times on different schedules. This does
not include construction activities that disturb between five thousand
(5,000) square feet and one (1) acre of land where no impervious cover
is constructed or reconstructed within the disturbed area.
LAND DISTURBING ACTIVITY
Any change to land which may result in soil erosion from
water or wind and the movement of soil into water or onto lands, alteration
of a drainage system, or increased runoff of waters, including, but
not limited to, clearing, grading, excavating, transporting and filling
of land of equal to or greater than five thousand (5,000) square feet
or activities disturbing less than five thousand (5,000) square feet
of total land area that is part of a larger common plan of development
or sale, even though multiple separate and distinct land development
activities may take place at different times on different schedules.
This does not include construction activities that disturb between
five thousand (5,000) square feet and one (1) acre of land where no
impervious cover is constructed or reconstructed within the disturbed
area.
LANDOWNER
The legal or beneficial owner of land, including those holding
the right to purchase or lease the land, or any other person holding
proprietary rights in the land.
MAINTENANCE AGREEMENT
A legally recorded document that acts as a property deed
restriction, and which provides for long-term maintenance of stormwater
management practices.
NONPOINT SOURCE POLLUTION
Pollution from any source other than from any discernible,
confined, and discrete conveyances, and shall include, but not be
limited to, pollutants from agricultural, silvicultural, mining, construction,
subsurface disposal and urban runoff sources.
PHASING
Clearing a parcel of land in distinct pieces or parts, with
the stabilization of each piece completed before the clearing of the
next.
POLLUTANT OF CONCERN
Sediment or a water quality measurement that addresses sediment
(such as total suspended solids, turbidity or siltation) and any other
pollutant that has been identified as a cause of impairment of any
water body that will receive a discharge from the land development
activity.
QUALIFIED INSPECTOR
A person that is knowledgeable in the principles and practices
of erosion and sediment control, such as a licensed Professional Engineer,
Certified Professional in Erosion and Sediment Control (CPESC), or
Registered Landscape Architect or someone working the direct supervision
of, and at the same company as, the licensed Professional Engineer
or Registered Landscape Architect, provided that person has training
in the principles and practices of erosion and sediment control.
[Added 5-5-2011 by L.L. No. 3-2011]
RECHARGE
The replenishment of underground water reserves.
SENSITIVE AREAS
Cold water fisheries, shellfish beds, swimming beaches, groundwater
recharge areas, water supply reservoirs, habitats for threatened,
endangered or special concern species.
STABILIZATION
The use of practices that prevent exposed soil from eroding.
STOP WORK ORDER
An order issued which requires that all construction activity
on a site be stopped.
STORMWATER
Rainwater, surface runoff, snowmelt and drainage.
STORMWATER HOTSPOT
A land use or activity that generates higher concentrations
of hydrocarbons, trace metals or toxicants than are found in typical
stormwater runoff, based on monitoring studies.
STORMWATER MANAGEMENT
The use of structural or nonstructural practices that are
designed to reduce stormwater runoff and mitigate its adverse impacts
on property, natural resources and the environment.
STORMWATER MANAGEMENT FACILITY
One or a series of stormwater management practices installed,
stabilized and operating for the purpose of controlling stormwater
runoff.
STORMWATER MANAGEMENT OFFICER
Town/Village Engineer or officer designated by the municipality
to accept and review stormwater pollution prevention plans, forward
the plans to the applicable municipal board and inspect stormwater
management practices.
STORMWATER MANAGEMENT PRACTICES (SMPs)
Measures, either structural or nonstructural, that are determined
to be the most effective, practical means of preventing flood damage
and preventing or reducing point source or nonpoint source pollution
inputs to stormwater runoff and water bodies.
SURFACE WATERS OF THE STATE OF NEW YORK
Lakes, bays, sounds, ponds, impounding reservoirs, springs,
wells, rivers, streams, creeks, estuaries, marshes, inlets, canals,
the Atlantic Ocean within the territorial seas of the State of New
York and all other bodies of surface water, natural or artificial,
inland or coastal, fresh or salt, public or private (except those
private waters that do not combine or effect a junction with natural
surface or underground waters), which are wholly or partially within
or bordering the state or within its jurisdiction. Storm sewers and
waste treatment systems, including treatment ponds or lagoons which
also meet the criteria of this definition are not waters of the state.
This exclusion applies only to man-made bodies of water which neither
were originally created in waters of the state (such as a disposal
area in wetlands) nor resulted from impoundment of waters of the state.
TRAINED CONTRACTOR
An employee from the contracting (construction) company,
who has received four (4) hours of Department endorsed training in
proper erosion and sediment control principles. After receiving the
initial training, the trained contractor shall receive four (4) hours
of training every three (3) years. It can also mean an employee from
the contracting (construction) company that meets the qualified inspector
qualifications.
[Added 5-5-2011 by L.L. No. 3-2011]
WATERCOURSE
A permanent or intermittent stream or other body of water,
either natural or man-made, which gathers or carries surface water.
WATERWAY
A channel that directs surface runoff to a watercourse or
to the public storm drain.
All land development activities shall be subject
to the following performance and design criteria:
A. Technical standards. For the purpose of this local
law, the following documents shall serve as the official guides and
specifications for stormwater management. Stormwater management practices
that are designed and constructed in accordance with these technical
documents shall be presumed to meet the standards imposed by this
law:
(1) The New York State Stormwater Management Design Manual
(New York State Department of Environmental Conservation, most current
version or its successor, hereafter referred to as the Design Manual)
and the Enhanced Phosphorus Removal Supplement, most current version
or its successor.
(2) New York Standards and Specifications for Erosion
and Sediment Control, (Empire State Chapter of the Soil and Water
Conservation Society, 2005, most current version or its successor,
hereafter referred to as the Erosion Control Manual).
B. Equivalence to technical standards. Where stormwater management practices are not designed in accordance with the technical standards referenced in §
130-8A, the applicant or developer must demonstrate equivalence to these technical standards and the SWPPP shall be prepared by a licensed professional.
C. Water quality standards. Any land development activity
shall not cause an increase in turbidity that will result in substantial
visible contrast to natural conditions in surface waters of the Town
of Harrison and/or State of New York.
Sections
204-15J(5)(e) and
204-19J of the Subdivision Regulations of the Town of Harrison is hereby amended by adding the following to the information requirements:
A. For preliminary subdivision plat add: Stormwater Pollution Prevention Plan: A stormwater pollution prevention plan (SWPPP) consistent with the requirements of §
130-7 of this local law shall be required for preliminary subdivision plat approval. The SWPPP shall meet the performance and design criteria and standards in §
130-7 of this local law. The approved preliminary subdivision plat shall be consistent with the provisions of this local law.
B. For final subdivision plat approval add: Stormwater
Pollution Prevention Plan: A stormwater pollution prevention plan
consistent with the requirements of this local law and with the terms
of preliminary plan approval shall be required for final subdivision
plat approval. The SWPPP shall meet the performance and design criteria
and standards of this local law. The approved final subdivision plat
shall be consistent with the provisions of this local law.
Section
235-71F(2)(h) of the site plan review regulations of the Town of Harrison is hereby amended by adding the following to the information requirements: "Stormwater Pollution Prevention Plan: A Stormwater Pollution Prevention Plan consistent with the requirements of this local law shall be required for site plan approval. The SWPPP shall meet the performance and design criteria and standards of this local law. The approved site plan shall be consistent with the provisions of this local law."