Stormwater Management

Post Construction Stormwater Management

This Minimum Control Measure emphasizes the reduction or elimination of pollutants to the municipal separate storm sewer system that may come from post-construction runoff after new development and redevelopment projects. The term post-construction is used to categorize runoff from a site with impermeable surfaces, such as buildings, roads and parking lots that remain after construction ends.


If unchecked, the increased impervious surface associated with development may increase stormwater volume and degrade water quality, which can harm lakes, rivers, streams, and coastal areas. Methods to mitigate stormwater impacts from new development include practices to treat, store, and infiltrate runoff onsite before it can affect water bodies downstream. Innovative site designs that reduce imperviousness and smaller-scale low impact development practices dispersed throughout a site are a few ways to achieve the goals of reducing flows and improving water quality.


Either separately or in combination with the Minimum Control Measure for Construction Site - Stormwater Runoff Control, the MS4 (with land use control capabilities) is required to adopt a new local law, amend existing local laws and ordinances, or establish equivalent regulatory mechanisms to reduce discharge of pollutants in stormwater runoff after completion of construction projects. MS4s without land use control capabilities are encouraged to develop necessary policies and procedures, and include such requirements in lease agreements, bid specifications, contracts, and/or permits.


In addition to post-construction requirements that MS4's place on developers, post-construction stormwater controls are also required of developers directly in Stormwater Pollution Prevention Plans (SWPPPs) under the SPDES General Permit for Stormwater Discharges from Construction Activity. However, the information presented on this webpage will focus on Post-Construction Stormwater Management practices and activities implemented by the regulated MS4.


In general, the MS4's post-construction stormwater management program should: provide for the review of post-construction stormwater management measures in SWPPPs; ensure stormwater management practices used are consistent with technical standards in the New York State Stormwater Management Design Manual; address ongoing maintenance of structural and non-structural management measures; provide for inspection of stormwater management measures and practices; maintain and inventory of post-construction practices; and, address compliance and enforcement activities.

Selected Activities and BMPs:

To meet the Construction Site - Stormwater Management requirements, the MS4 has selected the following Best Management Practices (BMP's) and activities to ensure the reduction of all pollutants of concern in stormwater discharges to the maximum extent practicable. The BMPs and activities describe both structural and non-structural practices.


Post-Construction Stormwater Management Law or Ordinance

Description of BMP/Activity:

Draft and adopt a local stormwater law, ordinance or other regulatory mechanism to require post-construction runoff controls from new development and redevelopment projects. These controls should meet the State's most up-to-date technical standards and the regulatory mechanism must provide equivalent protection to the SPDES Permit for Stormwater Discharges from Construction Activity and the NYS Sample Local Laws for Stormwater Management and erosion and Sediment control and must be certified as such. This activity may also relate to, or be part of, the discussion of other activities and BMPs indentified below such as procedures for SWPP plan review, site inspection, enforcement and sanctions.  Also See: Construction Stormwater Management Law

Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: Single Occurrence (Includes Updates As Needed)
  • Implementation: Single Occurrence (Includes Updates As Needed)
Status - Program Development:
[X] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
Status - Implementation:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[X] On-Going - This activity will be undertaken throughout all years of the permit.

Post-Construction Inspection Program

Description of BMP/Activity:
Develop and implement a program that allows the MS4 to conduct inspections of developed and re-developed sites. Such programs typically describe inspection procedures and may also include procedures for tracking inspections.
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: As Needed
  • Implementation: As Needed
Status - Program Development:
[X] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
Status - Implementation:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[X] On-Going - This activity will be undertaken throughout all years of the permit.

Operation and Maintenance Program

Description of BMP/Activity:
Develop a local program to insure adequate long-term operation and maintenance of post-construction practices. This program may include the requirement that adequately trained personnel (acting on behalf of the developer) conduct site inspections to ensure that practices are performing properly. Operation, maintenance and inspection requirements should reference accepted practices in the NYS Stormwater Design Manual
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: As Needed
  • Implementation: As Needed
Status - Program Development:
[X] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
Status - Implementation:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[X] On-Going - This activity will be undertaken throughout all years of the permit.

Enforcement Program

Description of BMP/Activity:
Develop and implement procedures for the enforcement of local post-construction requirements. The enforcement program may allow for sanctions to ensure compliance and may outline steps to identify priority sites for enforcement based on inspection results
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: As Needed
  • Implementation: As Needed
Status - Program Development:
[X] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
Status - Implementation:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[X] On-Going - This activity will be undertaken throughout all years of the permit.

Administration of Post-Construction Programs and Policy

Description of BMP/Activity:
Establish Post-Construction Stormwater Management program responsibility, communication, coordination and authority within local departments and agencies. Evaluate existing capabilities, identify needs and designate key staff and their roles in the program.
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: As Needed
  • Implementation: As Needed
Status - Program Development:
[X] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
Status - Implementation:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[ ] Long-Term - This activity will be accomplished within the 3 to 5 year permit cycle.
[X] On-Going - This activity will be undertaken throughout all years of the permit.

Measurable Goals:

Regulated communities are required to collect and report information about the development and implementation of their stormwater program. Specific information that the MS4 is required to collect is generally included in the Annual Report and may also be reflected in related Self-Assessments (as applicable). MS4s are also required to identify "Measurable Goals" that will help them evaluate accomplishments and progress over time. The following "Measurable Goals" have been specifically identified for this Minimum Control Measure:

  • Number of SWPPPs reviewed - None for review
  • Number and type of enforcement actions - No actions necessary
  • Number and type of post-construction stormwater practices inventoried - None necessary for inventory
  • Number and type of post-construction stormwater practices inspected - None needed for inspection
  • Percent of relevant employees trained - 100%
Program Accomplishments:

Activities and BMPs that have been accomplished to date for this Minimum Control Measure are included within the required MS4 Stormwater Annual Report form and Municipal Compliance Certification. Copies of these documents can be found at the following link (Annual Reports). Copies of various documents and specific products relating to this minimum control measure are included under "Related Documents".


A summary of the effectiveness of this program, associated BMPs, activities and an assessment of measurable goals can be found under the heading "Program Reporting and Effectiveness".

Other Related Documents:
       
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Website Contact: Dana Nimey-Olney
Email:
10 Moseley Street
Whitesboro, NY 13492
Phone: (315) 736-1613
Fax: (315)736-1677
Printed On June 15, 2019