[HISTORY: Adopted by the Board of Trustees of the Village of Roslyn Harbor 12-10-2007 by L.L. No. 5-2007. Amendments noted where applicable.]
It is hereby determined that:
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;
This stormwater runoff contributes to increased quantities of waterborne pollutants, including siltation of aquatic habitats for fish and other desirable species;
Clearing and grading during construction tends to increase soil erosion and add to the loss of native vegetation necessary for terrestrial and aquatic habitats;
Improper design and construction of stormwater management practices can increase the velocity of stormwater runoff, thereby increasing stream bank erosion and sedimentation;
Impervious surfaces allow less water to percolate into the soil, thereby decreasing groundwater recharge and stream baseflow;
Substantial economic losses can result from these adverse impacts on the waters of the municipality;
Stormwater runoff, soil erosion and nonpoint source pollution can be controlled and minimized through the regulation of stormwater runoff from land development activities;
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;
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 chapter 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 § 226-1 hereof. This chapter seeks to meet those purposes by achieving the following objectives:
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, as amended or revised;
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, as amended or revised;
Minimize increases in stormwater runoff from land development activities in order to reduce flooding, siltation, increases in stream temperature, and stream bank erosion and maintain the integrity of stream channels;
Minimize increases in pollution caused by stormwater runoff from land development activities which would otherwise degrade local water quality;
Minimize the total annual volume of stormwater runoff which flows from any specific site during and following development to the maximum extent practicable; and
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.
In accordance with § 10 of the Municipal Home Rule Law of the State of New York, the Village Board of Trustees of Roslyn Harbor has the authority to enact local laws and amend local laws for the purpose of promoting the health, safety or general welfare of the Village of Roslyn Harbor and for the protection and enhancement of its physical environment. The Village Board of Trustees of Roslyn Harbor 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.
This chapter shall be applicable to all land development activities as defined in this chapter.
The municipality shall designate a Stormwater Management Officer who shall accept and review all stormwater pollution prevention plans and forward such plans to the applicable municipal board. The Stormwater Management Officer may review the plans; upon approval by the Village Board of Trustees of the Village of Roslyn Harbor, engage the services of a registered professional engineer to review the plans, specifications and related documents at a cost not to exceed a fee schedule established by said governing board; or accept the certification of a licensed professional that the plans conform to the requirements of this chapter.
All land development activities subject to review and approval by the applicable board of the Village of Roslyn Harbor under subdivision, site plan, and/or special permit regulations shall be reviewed subject to the standards contained in this chapter.
The following activities may be exempt from review under this chapter.
Agricultural activity as defined in this chapter.
Silvicultural activity, except that landing areas and log haul roads are subject to this chapter.
Routine maintenance activities that disturb less than five acres and are performed to maintain the original line and grade, hydraulic capacity or original purpose of a facility.
Repairs to any stormwater management practice or facility deemed necessary by the Stormwater Management Officer.
Any part of a subdivision if a plat for the subdivision has been approved by the Village of Roslyn Harbor on or before the effective date of this chapter.
Land development activities for which a building permit has been approved on or before the effective date of this chapter.
Installation offence, sign, telephone, and electric poles and other kinds of posts or poles.
Emergency activity immediately necessary to protect life, property or natural resources.
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.
Landscaping and horticultural activities in connection with an existing structure.
The terms used in this chapter or in documents prepared or reviewed under this chapter shall have the meanings as set forth in this section.
- AGRICULTURAL ACTIVITY
- The activity of an active farm 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.
- A property owner or agent of a property owner who has filed an application for a land development activity.
- Any structure, either temporary or permanent, having walls and a roof, designed for the shelter of any person, animal, or property, and occupying more than 100 square feet of area.
- A natural or artificial watercourse with a definite bed and banks that conducts continuously or periodically flowing water.
- Any activity that removes the vegetative surface cover.
- The deliberate appropriation of property by its owner for general public use.
- 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.
- 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."
- Excavation or fill of material, including the resulting conditions thereof.
- IMPERVIOUS COVER
- Those surfaces, improvements and structures that cannot effectively infiltrate rainfall, snowmelt 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.
- 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 one acre, or activities disturbing less than one acre 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.
- 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.
- 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.
- Land development activity.
- The replenishment of underground water reserves.
- SEDIMENT CONTROL
- Measures that prevent eroded sediment from leaving the site.
- SENSITIVE AREAS
- Cold-water fisheries, shellfish beds, swimming beaches, groundwater recharge areas, water supply reservoirs, and habitats for threatened, endangered or special-concern species.
- SPDES GENERAL PERMIT FOR CONSTRUCTION ACTIVITIES GP-02-01
- A permit under the New York State Pollutant Discharge Elimination System (SPDES) issued to developers of construction activities to regulate disturbance of one or more acres of land.
- SPDES GENERAL PERMIT FOR STORMWATER DISCHARGES FROM MUNICIPAL SEPARATE STORMWATER SEWER SYSTEMS GP-02-02
- A permit under the New York State Pollutant Discharge Elimination System (SPDES) issued to municipalities to regulate discharges from municipal separate storm sewers for compliance with established water quality standards and/or to specify stormwater control standards.
- 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.
- 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
- An employee 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.
- STORMWATER POLLUTION PREVENTION PLAN (SWPPP)
- A plan for controlling stormwater runoff and pollutants from a site during and after construction activities.
- STORMWATER RUNOFF
- Flow on the surface of the ground resulting from precipitation.
- 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.
- A permanent or intermittent stream or other body of water, either natural or man-made, which gathers or carries surface water.
- A channel that directs surface runoff to a watercourse or to the public storm drain.
Stormwater pollution prevention plan requirement. No application for approval of a land development activity shall be reviewed until the appropriate board has received a stormwater pollution prevention plan (SWPPP) prepared in accordance with the specifications in this chapter.
Contents of stormwater pollution prevention plans.
All SWPPPs shall provide the following background information and erosion and sediment controls:
Background information about the scope of the project, including location, type and size of project;
Site map/construction drawing(s) for the project, including a general location map. At a minimum, the site map should show the total site area; all improvements; areas of disturbance; areas that will not be disturbed; existing vegetation; on-site and adjacent off-site surface water(s); wetlands and drainage patterns that could be affected by the construction activity; existing and final slopes; locations of off-site material, waste, borrow or equipment storage areas; and location(s) of the stormwater discharges(s);
Description of the soil(s) present at the site;
Construction phasing plan describing the intended sequence of construction activities, including clearing and grubbing, excavation and grading, utility and infrastructure installation and any other activity at the site that results in soil disturbance. Consistent with the New York Standards and Specifications for Erosion and Sediment Control (Erosion Control Manual), not more than five acres shall be disturbed at any one time unless pursuant to an approved SWPPP;
Description of the pollution prevention measures that will be used to control litter, construction chemicals and construction debris from becoming a pollutant source in stormwater runoff;
Description of construction and waste materials expected to be stored on site with updates as appropriate, and a description of controls to reduce pollutants from these materials including storage practices to minimize exposure of the materials to stormwater and spill prevention and response;
Temporary and permanent structural and vegetative measures to be used for soil stabilization, runoff control and sediment control for each stage of the project from initial land clearing and grubbing to project close-out;
A site map/construction drawing(s) specifying the location(s), size(s) and length(s) of each erosion and sediment control practice;
Dimensions, material specifications and installation details for all erosion and sediment control practices, including the siting and sizing of any temporary sediment basins;
Temporary practices that will be converted to permanent control measures;
Implementation schedule for staging temporary erosion and sediment control practices, including the timing of initial placement and duration that each practice should remain in place;
Maintenance schedule to ensure continuous and effective operation of the erosion and sediment control practice;
Name(s) of the receiving water(s);
Delineation of SWPPP implementation responsibilities for each part of the site;
Description of structural practices designed to divert flows from exposed soils, store flows, or otherwise limit runoff and the discharge of pollutants from exposed areas of the site to the degree attainable; and
Any existing data that describes the stormwater runoff at the site.
Land development activities as defined in § 226-6 and meeting Condition A, B or C below shall also include water quantity and water quality controls (postconstruction stormwater runoff controls) as set forth in Subsection B(3) below as applicable:
Condition A: stormwater runoff from land development activities discharging a pollutant of concern to either an impaired water identified on the Department's 303(d) list of impaired waters or a total maximum daily load (TMDL) designated watershed for which pollutants in stormwater have been identified as a source of the impairment.
Condition B: stormwater runoff from land development activities disturbing five or more acres.
Condition C: stormwater runoff from land development activity disturbing between one and five acres of land during the course of the project, exclusive of the construction of single-family residences and construction activities at agricultural properties.
SWPPP requirements for Conditions A, B and C:
Description of each postconstruction stormwater management practice.
Site map/construction drawing(s) showing the specific location(s) and size(s) of each postconstruction stormwater management practice.
Hydrologic and hydraulic analysis for all structural components of the stormwater management system for the applicable design storms.
Comparison of postdevelopment stormwater runoff conditions with predevelopment conditions.
Dimensions, material specifications and installation details for each postconstruction stormwater management practice.
Maintenance schedule to ensure continuous and effective operation of each postconstruction stormwater management practice.
Maintenance easements to ensure access to all stormwater management practices at the site for the purpose of inspection and repair. Easements shall be recorded on the plan and shall remain in effect with transfer of title to the property.
Inspection and maintenance agreement binding on all subsequent landowners served by the on-site stormwater management measures in accordance with this chapter.
For Condition A, the SWPPP shall be prepared by a landscape architect, certified professional or professional engineer and must be signed by the professional preparing the plan, who shall certify that the design of all stormwater management practices meet the requirements in this chapter.
Other environmental permits. The applicant shall assure that all other applicable environmental permits have been or will be acquired for the land development activity prior to approval of the final stormwater design plan.
Each contractor and subcontractor identified in the SWPPP who will be involved in soil disturbance and/or stormwater management practice installation shall sign and date a copy of the following certification statement before undertaking any land development activity: "I certify under penalty of law that I understand and agree to comply with the terms and conditions of the Stormwater Pollution Prevention Plan. I also understand that it is unlawful for any person to cause or contribute to a violation of water quality standards."
The certification must include the name and title of the person providing the signature; address and telephone number of the contracting firm; the address (or other identifying description) of the site; and the date the certification is made.
The certification statement(s) shall become part of the SWPPP for the land development activity.
A copy of the SWPPP shall be retained at the site of the land development activity during construction from the date of initiation of construction activities to the date of final stabilization.
All land development activities shall be subject to the following performance and design criteria:
Technical standards. For the purpose of this chapter, 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 chapter:
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").
New York Standards and Specifications for Erosion and Sediment Control (Empire State Chapter of the Soil and Water Conservation Society, 2004, most current version or its successor, hereafter referred to as the "Erosion Control Manual").
Equivalence to technical standards. Where stormwater management practices are not in accordance with technical standards, the applicant or developer must demonstrate equivalence to the technical standards set forth in this chapter and the SWPPP shall be prepared by a licensed professional.
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 State of New York.
Maintenance and inspection during construction.
The applicant or developer of the land development activity or his or her representative shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances) which are installed or used by the applicant or developer to achieve compliance with the conditions of this chapter. Sediment shall be removed from sediment traps or sediment ponds whenever their design capacity has been reduced by 50%.
For land development activities as defined in § 226-6 of this chapter and meeting Condition A, B or C in § 226-7B(2), the applicant shall have a qualified professional conduct site inspections and document the effectiveness of all erosion and sediment control practices every seven days and within 24 hours of any storm event producing 0.5 inch of precipitation or more. Inspection reports shall be maintained in a site logbook.
The applicant or developer or his or her representative shall be on site at all times when construction or grading activity takes place and shall inspect and document the effectiveness of all erosion and sediment control practices.
Maintenance easement(s). Prior to the issuance of any approval that has a stormwater management facility as one of the requirements, the applicant or developer must execute a maintenance easement agreement that shall be binding on all subsequent landowners served by the stormwater management facility. The easement shall provide for access to the facility at reasonable times for periodic inspection by the Village of Roslyn Harbor to ensure that the facility is maintained in proper working condition to meet design standards and any other provisions established by this chapter. The easement shall be recorded by the grantor in the office of the County Clerk after approval by the counsel for the Village of Roslyn Harbor.
Maintenance after construction. The owner or operator of permanent stormwater management practices installed in accordance with this chapter shall ensure they are operated and maintained to achieve the goals of this chapter. Proper operation and maintenance also includes, as a minimum, the following:
A preventive/corrective maintenance program for all critical facilities and systems of treatment and control (or related appurtenances) which are installed or used by the owner or operator to achieve the goals of this chapter.
Written procedures for operation and maintenance and training new maintenance personnel.
Maintenance agreements. The Village of Roslyn Harbor shall approve a formal maintenance agreement for stormwater management facilities binding on all subsequent landowners and recorded in the office of the County Clerk as a deed restriction on the property prior to final plan approval. The maintenance agreement shall be consistent to then-current recommendations of the New York State Department of Environmental Conservation. The Village of Roslyn Harbor, in lieu of a maintenance agreement, at its sole discretion, may accept dedication of any existing or future stormwater management facility, provided such facility meets all the requirements of this chapter and includes adequate and perpetual access and sufficient area, by easement or otherwise, for inspection and regular maintenance.
If the provisions of any article, section, subsection, paragraph, subdivision or clause of this chapter shall be judged invalid by a court of competent jurisdiction, such order of judgment shall not affect or invalidate the remainder of any article, section, subsection, paragraph, subdivision or clause of this chapter. No provision of this chapter shall be construed to repeal, modify or constitute an alternative to any lawful zoning regulation which is more restrictive than this chapter.