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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 1
STORMWATERMANAGEMENT MEASURES
MAINTENANCE OF
Minesh PatelNJDEP Division of Water Quality
SWMDR Training Module 1August 25, 2020
Goals
• Goal One: Understand the Importance of long-term operation and maintenance of BMPs
• Goal Two: Understand the permittee’s responsibility for performing/ensuring long-term operation and maintenance
• Goal Three: Understand the required elements of a maintenance plan
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THE IMPORTANCE OFLONG-TERM OPERATION &MAINTENANCEOF BMPs
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 2
Why? This is Why.
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Ponding Infiltration Basin or Constructed Wetland?
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 3
Maintenance Issues
• Water quality issues in receiving water bodies• Flood hazards• Safety issues• Soil erosion• Mosquito breeding• Decreases in property value
Poorly maintained BMPs lead to
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PERMITTEE’SRESPONSIBILITYFOR PERFORMING| ENSURING MAINTENANCE
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Permittee’s responsibility for performing/ensuring maintenance• MS4 Post-construction Program
• Ensure adequate long-term operation and maintenance of BMPs;
• Post-construction inspection and maintenance of BMPs; and
• Penalty provisions for the noncompliance with design, construction or operation and maintenance.
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 4
Minimum Standards/Other Control Measures for Stormwater Facilities Maintenance – MS4
i. owned or operated by the Tier A MunicipalityThe permittee must develop, update and implement a program• Inspection and maintenance must be performed pursuant to any
plans, or more frequently, to ensure proper function and operation.• The Tier A municipality must maintain a log to demonstrate compliance
with this section (Part IV.C.)o Facility information and field location - geographic coordinateso Inspector informationo Inspection detailso Maintenance performed
Ensure adequate long-term cleaning, operation and maintenance of stormwater management measures:
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Minimum Standards/Other Control Measures for Stormwater Facilities Maintenance – MS4
i. owned or operated by the Tier A MunicipalityThe permittee must develop, update and implement a program (cont’d.)• The permittee shall certify annually that municipally owned or
operated facilities are properly functioning.• Maintenance must be documented and prioritized for facilities not
functioning. A schedule for the repairs shall be maintained. (Part IV.C.1.a.iv/IV.C.3.f/IV.C.2.f)
Ensure adequate long-term cleaning, operation and maintenance of stormwater management measures:
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Minimum Standards/Other Control Measures for Stormwater Facilities Maintenance – MS4
ii. not owned or operated by the Tier A MunicipalityThe Tier A municipality must develop, update and implement a program for facilities constructed afterFeb. 7, 1984• Ensure inspection and maintenance performed pursuant to any plans,
or more frequently, to ensure proper function and operation.• The Tier A municipality must maintain a log to demonstrate
compliance with this section (Part IV.C.1.b)o List actions taken to enforce complianceo Identify facilities requiring action and provide location informationo Name of person(s) taking action and date of action(s)o Detailed findings of actions
Ensure adequate long-term cleaning, operation and maintenance of stormwater management measures:
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 5
Reviewer Responsibilities
• Failure to require a proper maintenance plan may have consequences:• Inadequate removal of pollutants• Improper or insufficient maintenance of the BMP • Municipality has a weaker basis to inspect and
enforce maintenance• Permittee will violate its MS4 permit
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Maintenance Review
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Stormwater Facilities Maintenance
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 6
Stormwater Facilities Maintenance
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Stormwater Facilities Maintenance
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What is a review engineer’s role in MS4 Permit compliance
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 7
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REQUIRED ELEMENTSOF A MAINTENANCE PLAN
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NJDEP Stormwater BMP Maintenance Requirements
Maintenance Plan• Design engineer has to prepare a maintenance plano Specific tasks and schedules;o Cost estimates, including estimated cost of sediment, debris,
or trash removal;o The name, address, and telephone number of the person or
persons responsible for preventative and corrective maintenance (including replacement).
Stormwater Management Rules at N.J.A.C. 7:8-5.8 | Municipal Stormwater Control Ordinances
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 8
NJDEP Stormwater BMP Maintenance Requirements
Preventative and corrective maintenance shall be performed tomaintain the function of the stormwater management measures
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Stormwater Management Rules at N.J.A.C. 7:8-5.8 | Municipal Stormwater Control Ordinances
Corrective Tasks
• Repairs or replacement to the structure
• Restoration of eroded areas
• Fence repair or replacement• Restoration of vegetation
• Repair or replacement of non-vegetated linings
• Removal of sediment, debris, or trash
• Restoration of vegetation
• Snow and ice removal
Preventative Tasks
NJDEP Stormwater BMP Maintenance Requirements
Inspection and Maintenance Records• The party responsible for the BMP shall maintain a detailed log of all
preventative and corrective maintenance for the structural stormwater management measures incorporated into the design of the development, including a record of all inspections and copies of all maintenance - related work orders.
Annual Evaluation• The responsible party shall evaluate the effectiveness of the
maintenance plan at least once per year and adjust the plan and the deed as needed.
Stormwater Management Rulesat N.J.A.C. 7:8-5.8
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NJDEP Stormwater BMP Maintenance Requirements
The Stormwater Management rules also refer to the BMP manual for guidelines.• Chapter 8: Maintenance and Retrofit of Stormwater Management
Measureso General guidelines for preparation of maintenance plan, performance of
inspection and maintenance, and record keepingo Retrofit stormwater BMPs
• Chapter 9: Structural Stormwater Management Measureso Specific preventative and corrective actions for each type of BMPs
BMP Manuals Chapters 8 & 9
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 9
Recordation Requirement
• If the person responsible for maintenance identified under (b) above is not a public agency, the maintenance plan and any future revisionsbased on (h) below shall be recorded upon the deed of record for each property on which the maintenance described in the maintenance plan must be undertaken.
• The Maintenance Plan must be recorded with the parcel where the stormwater management measure is located.
• If the maintenance plan was initially recorded under the developer’s name, the township needs to make sure that, after the completion of the construction, the plan is recorded again to show the subsequent responsible party, such as HOA or owner.
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Bad Example: The 1-Page Plan
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Bad Example: The 55-Page Plan
This is a maintenance plan for a StandardConstructed Wetland,
but not a single phrase mentions what it is
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 10
Inventory of the Stormwater BMPs• Type and locations of
BMPs
Information about the Stormwater BMPs• Design information of
BMPs
Planning of Preventative & Corrective Maintenance Actions• Establish schedule of tasks
Planning Logistics• Maintenance Equipment,
Tools, & Supplies
Planning Disposal Method
• Destination and Conveyance for removed vegetation & sediment
Planning the Cost
Safety Measures & Procedures
Staff Training
Information Planning Education
Maintenance Plan Components:
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Maintenance Plan Components:
• Inventory of the Stormwater BMPs• Type of BMPs• Location of BMPs• Location of outfalls
• Information about the Stormwater BMPs• Design information of BMPs• Documentation of BMPs• Site plans, reports, manuals, warranties, etc.
Information
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Maintenance Plan Components:
• Planning of Preventative & Corrective Maintenance Actions• Itemize required tasks• Establish schedule of tasks
• Planning Logistics• Maintenance Personnel• Equipment, Tools, & Supplies
Planning
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 11
Maintenance Plan Components:
• Planning Disposal Method• Conveyance for removed vegetation & sediment• Destination
• Planning the Cost• Itemized by task• Annualized costs
Planning
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Maintenance Plan Components:
• Safety Measures & Procedures• Staff Training
• Inspection• Preventative & Corrective Actions• Operation of Tools & Equipment• Records
Education
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Roles and Responsibilities
• Developer of the development• Public entity for publicly owned and operated BMPs• Entities other than the developer
• (transferred under agreement or assignment by ordinances/regulations)• Public agency• Homeowners’ association• Owner/ Tenant of an individual property in a nonresidential development• Owner/ Tenant of an individual property in a residential development (only
if the individual owns the ENTIRE residential development)
Responsible Party
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 12
Subdivision Projects
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Development - " means the division of a parcel of land into two or more parcels, the construction, reconstruction, conversion, structural alteration, relocation or enlargement of any building or structure, any mining excavation or landfill, and any use or change in the use of any building or other structure, or land or extension of use of land, for which permission is required under the Municipal Land Use Law, N.J.S.A. 40:55D-1 et seq.”
Subdivision Projects
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“7:8-1.6 Applicability to major development (a) Except as provided in (b) below, all
major development shall comply with the requirements of this chapter.”
If disturbance in a project = major development threshold, the project must comply with the SCO• Design and performance standards• Nonstructural strategies• Maintenance plan requirements
o Responsible partyo Deed recording
NJDEP Maintenance Guidance
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 13
Maintenance Plan Template Information
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Field Manual
• BMP Overview• Basic Design Information• Visual Aid for Stormwater Basin
Inspection• Reference Documents• Inspection Checklist /
Maintenance Actions• Preventative Maintenance
Record• Corrective Maintenance Record
Components
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Tailored to each type of BMPs
Inspection Checklist/ Maintenance Actions
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 14
Preventative & Corrective Maintenance Records
Field Manual
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Field Manual
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Preventative & Corrective Maintenance Records
https://njstormwater.org/maintenance_guidance.htm
NJ Stormwater Maintenance Guidance
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Module 1 of 4, August 25, 2020
NJ DEP Division of Water Quality, Online Stormwater Management Design Review Course Page 15
Summary
• Long-term operation and maintenance of BMPs is important and is required under the permit
• The permittee is responsible for performing/ensuring long-term operation and maintenance
• The reviewer should ascertain the required elements in a maintenance plan are included prior to approval
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More InformationBureau of Nonpoint Pollution Control
Division of Water Quality401 East State Street
PO Box 420, Mail Code 401-2BTrenton, NJ 08625-420
Tel: 609-633-7021www.njstormwater.org
Minesh Patelminesh.patel@dep.nj.gov
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QUIZ 1 Stormwater
https://www.njstormwater.org/smdrc_training.html
NJDEP Division of Water QualitySWMDR Training Module 1
August 25, 2020
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