Transcript Phase I and Phase II Stormwater Permits

Phase I and Phase II Storm Water Permits
How Are Localities Meeting
Monitoring Requirements?
Virginia Water Monitoring Council
October 17, 2003
Jon van Soestbergen, P.E.
Virginia Department of Environmental Quality
Phase I
• 1987 amendments to the CWA
– Section 402(p) directed EPA to establish
regulations governing storm water discharges
under the NPDES program
• EPA promulgated regulations in 1990
establishing permit application requirements
for:
– Municipal Separate Storm Sewer System
(MS4) serving population of 100,000 or more
– Storm water associated with industrial activities
Phase I Individual VPDES Permit
• First Application 1991-1993
– Part I (information gathering phase)
• Large (>250,000) - 11/18/91
• Medium (>100,000) - 5/18/92
– Part II (Storm Water Management Plan)
• Large - 11/16/92
• Medium - 5/17/93
• 5 year term limit under NPDES program
– Permits issued in 1996
– Permits reissued in 2001
11 Phase I Municipalities
• Counties
–
–
–
–
–
Arlington
Fairfax
Prince William
Chesterfield
Henrico
• Cities
–
–
–
–
–
–
Newport News
Hampton
Norfolk
Virginia Beach
Portsmouth
Chesapeake
Storm Water Management Program
• Utilize structural and source control measures to
reduce pollutants discharged to the MS4
• Detect and remove unauthorized non-storm water
discharges and improper disposal into the MS4
• Monitor and control pollutants in storm water
from landfills, haz waste treatment, storage and
disposal facilities, and certain industrial facilities
• Implement and maintain structural and nonstructural BMPs for construction sites
Tracking and Reporting
• Program effectiveness
– Provide information necessary to evaluate the
effectiveness and adequacy of control measures
implemented
– Identify and prioritize portions of the MS4
requiring additional controls
– Identify water quality improvements or
degradation
• Annual reporting
Chesterfield Co. Program
• Watershed Assessment and Stream
Protection (WASP) Program
– Data collection to determine the level of stream
impairment
– Identification and assessment of sources that
may be contributing to water quality
degradation
– Development and implementation of controls or
strategies to preserve, protect or restore water
quality
Chesterfield Co. Monitoring
• Chemical Assessment
Hardness
Total Ammonia
Nitrate/Nitrite
Dissolved Phosphorous
Total Phosphorous
Total Suspended Solids
BOD
Fecal Coliform
• Biological Assessment
– Benthic macroinvertebrate assessments using
EPA Rapid Bioassessment Protocol (RBP)
• Physical Stream Assessment
– annual comparison of stream channel cross
section, profile, and detail diagram including
photos and stream habitat assessment (RBP)
Henrico Co. Program
• Designation of stream protection areas for
development projects affecting 2,500 sq. ft.
• Conduct various projects (stream
restoration, bank stabilization, etc.) using
Environmental Fund
• Evaluations of various stream reaches
(habitat assessments,bioassessments, water
chemistry, stream influence inventories)
• Additional bioassessments to provide
baseline data and evaluate results
Henrico County Reporting
• Status of implementing required
components of the storm water management
program
• Additional reporting
–
–
–
–
each development project
each BMP approved for construction
contributions to the Environmental Fund
description and estimation of water quality
benefit of projects conducted using the
Environmental Fund
Arlington County
• Watershed monitoring (long term trends)
–
–
–
–
trend analysis
minimum drainage area of 100 acres
storm event data (precipitation, duration)
pollutant loadings
• Rapid bioassessment monitoring program
– optional
• Floatables monitoring
– stream surveys
– 3 locations each year
Fairfax County
• Watershed monitoring (long term trends)
–
–
–
–
trend analysis
minimum drainage area of 100 acres
storm event data (precipitation, duration)
pollutant loadings
• Rapid bioassessment monitoring program
– optional
• Floatables monitoring
– stream surveys
– 3 locations each year
Price William County
• Watershed monitoring (long term trends)
–
–
–
–
trend analysis
minimum drainage area of 100 acres
storm event data (precipitation, duration)
pollutant loadings
• Rapid bioassessment monitoring program
– optional
• Debris monitoring
– stream surveys
– 3 locations each year
Tidewater Cities
• Developed a regional approach through the
Hampton Roads Planning District
Commission
• All permits reflect the approach
Tidewater Cities Tracking Indicators
–
–
–
–
–
–
–
–
–
–
No. of acres of greenlands
BMP implementation tracking
No. of erosion and sediment control plans
Flooding and drainage complaint responses
Flooding and drainage projects
Investigative monitoring - illicit discharges, etc.
O&M - street sweeping, catch basin cleaning
No. of approved site and subdivision plans
Environmental education and outreach efforts
Estimates of nutrient loadings
Phase II
• Phase II Storm Water Regulations published
December 8, 1999
• Incorporated into VPDES regulation
effective September 7, 2000
• Small MS4’s in Urbanized Areas apply for
VPDES permit coverage by March 10, 2003
• General permit effective December 9, 2002
Urbanized Areas
• Determined by the Census Bureau using the
2000 Decennial Census data
• Shown on Census Bureau maps
Small MS4s
• Systems operated by:
– federal government
• military bases, hospitals, prisons, parks, etc.
– state government
• VDOT road systems, prisons, parks, etc.
– public universities
– local governments and local “quasi”governmental systems
• local school boards, airports, etc.
Designated Municipalities
• Urban Areas - 13
• 60 automatically designated municipalities
– must be permitted if operate an MS4
• 5 potentially designated municipalities
– must be examined for permitting if operate an
MS4
• VDOT specifically included in all UAs
• Above numbers do not include other
governmental agencies (universities,
prisons, etc.)
VPDES General Permit
• Develop, implement, and enforce a Storm
Water Management Plan designed to reduce
the discharge of pollutants from the MS4 to
the maximum extent practicable.
• Evaluate program compliance,
appropriateness of BMPs, and progress
toward achieving identified measurable
goals.
• Report 1st, 2nd, 4th anniversary of
coverage.
Minimum Control Measures
• Public education and outreach on storm
water impacts
• Public involvement/participation
• Illicit discharge detection and elimination
• Construction site storm water runoff control
• Post construction storm water management
in new and re-development
• Pollution prevention/good housekeeping for
municipal operations
Part III of the GP starts out...
• “Monitoring is not required for this permit.
If you choose to monitor your storm water
discharges or BMPs in support of your
Storm Water Management Program, you
must comply with the requirements of A, B,
and C, as appropriate.”