Stormwater Management

Illicit Discharge Detection and Elimination

The illicit discharge detection and elimination (IDDE) minimum control measure consists of best management practices (BMPs) and program elements that focus on finding and addressing non-stormwater discharges and/or non-permitted discharges that may be entering the municipal separate storm sewer system (MS4).


Regulated MS4s are required to establish plans to detect and eliminate illicit discharges including discharges not composed entirely of stormwater. They must map all outfalls from the storm sewer system to surface waters (not only from pipes, but also from road ditches, swales and other stormwater carriers), and must inform public employees and the community about the hazards of illegal discharges and improper waste disposal.


Each MS4 is required to develop and maintain a map showing: the location of all outfalls and the names and location of all surface waters of the State that receive discharges from those outfalls. By March 9, 2010, the preliminary boundaries of the permittee's storm sewersheds should be determined using GIS or other tools, even if they extend outside of the urbanized area. This will help facilitate trackdown of illicit discharges. When grant funds are made available, a map of the sewer lines and storm sewer system should be completed.


Each MS4 is required to field verify outfall locations and conduct an outfall reconnaissance inventory that addresses every outfall within the MS4 designated area at least once every five years.


An IDDE program should also address non-stormwater discharges, including illegal dumping. The program must include: procedures for identifying priority areas of concern (geographic, audiences, or otherwise); a description of priority areas of concern, available equipment, staff, funding, etc.; procedures for identifying and locating illicit discharges (trackdown); procedures for eliminating illicit discharges; and procedures for documenting actions.

 

Selected Activities and BMPs:

To meet the IDDE program requirements, the Oneida County DPW 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.

Outfall Mapping

Description of BMP/Activity:
The Oneida County DPW (in cooperation with the OC SWCD) has created and will maintain a map of all storm sewer system outfalls. This map will be refined and updated as Total System Mapping and Sewershed mapping is completed.
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:
[ ] 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.
[X] Completed - Preliminary mapping has been completed
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.
[ ] On-Going - This activity will be undertaken throughout all years of the permit.
[X] Completed - Preliminary mapping has been completed

Total Storm Sewer System Mapping

Description of BMP/Activity:
The Oneida County DPW is cooperating with the Herkimer-Oneida Counties Comprehensive Planning Program to apply HOCCPP's total system mapping protocol to all county reguilated stormwater facilities in the MS4 Area.  A map of the entire storm sewer system including features such as connecting pipes, catch basins, manholes, and outfalls wil be completed within the next 3 to 5 year permit cycle. Additional information collected will include, but is not limited to: direction of flow, pipe type and size, number of inputs and outputs, and condition of the feature.
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:
[ ] Completed - This activity has been completed
[X] 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.
[X] 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.

Sewershed Mapping

Description of BMP/Activity:
The Oneida County DPW is cooperating with the Herkimer-Oneida Counties Comprehensive Planning Program to apply HOCCPP's sewershed mapping protocol to all county reguilated stormwater facilities in the MS4 Area.  A storm sewershed is defined as the catchment area that drains into the storm sewer system and includes an examination of surface topography and underlying infrastructure. A map of the sewersheds wil be completed within the next 3 to 5 year permit cycle.
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:
[ ] Completed - This activity has been completed
[X] 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.
[X] 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.

Field Verify Outfall Locations

Description of BMP/Activity:
As part of the total system mapping, DPW (in cooperation with HOCCPP) will field verify all outfall locations to insure they exist and are still a functioning part of the storm sewer system. During this activity, previously unknown outfalls may be identified. This task may also relate to activities conducted as part of the "Outfall Reconnaissance Inventory".
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:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[X] 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.
[X] 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.

Outfall Reconnaissance Inventory

Description of BMP/Activity:
As part of the Total System Mapping, DPW will conduct an outfall reconnaissance inventory of ALL confirmed outfalls, as described in EPA's publication "Illicit Discharge Detection and Elimination: A Guidance Manual for Program Development and Technical Assessment". This activity will involve outfall screening to detect illicit discharges. Following the initial mapping and screening, this inventory will address every outfall within the MS4 designated area at least once every five years
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:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[X] 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.
[X] 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.

Illicit Discharge Detection and Elimination (IDDE) Policy

Description of BMP/Activity:
The Oneida County DPW is in the process of drafting a policy to prohibit illicit discharges to the County's MS4.  Some elements required of an IDDE policy are already incorporated into the County's "Construction Site Waste Management, Stormwater Inspection and Municipal Pollution Prevention Plan".
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:
[ ] Completed - This activity has been completed
[ ] Short-Term - This activity will be accomplished within the current reporting year.
[X] 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.

Employee Education and Training

Description of BMP/Activity:
Inform and educate employees on the hazards associated with illicit discharges
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: On-going/Continuous
  • Implementation: On-going/Continuous
Status - Program Development:
[ ] 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.
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.

IDDE Hotline

Description of BMP/Activity:
Established a hotline by telephone and as a web-based tool where the general public, employees and contractors can contact the Oneida County DPW to report suspected IDDE issues
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.

Trash and Debris Management

Description of BMP/Activity:
Within Oneida County, the Oneida-Herkimer Solid Wast Management Authority has developed a coordinated system for solid waste management.  This system reduces the likelihood for illegal dumping and pollution of stormwater systems, and incorporates specific recycling programs and collection days such as for household hazardous wastes, green wastes or used oil recycling programs.
Staff, Agency, and/or Organization Reponsible for Completing this Activity:
Frequency of Activity:
  • Program Development: On-going/Continuous
  • Implementation: On-going/Continuous
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 MS4s 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:

  • Percent completion of outfall mapping
  • Percent completion of system mapping
  • Delineation of stormwater sewersheds
  • Number and percent of outfalls mapped
  • Utilization of GIS-based data collection and reconnaissance procedures
  • Percent of outfalls for which an outfall reconnaissance inventory has been performed
  • Percent of outfalls inspected each year
  • Number of illicit discharges detected
  • Number of Illicit discharges addressed, corrected or eliminated
  • Adoption of IDDE policy
  • Percent of relevant employees trained
  • Number of idde calls to hotline
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".