stormwater trends: seattle and...
TRANSCRIPT
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Stormwater Trends: Seattle and Beyond
AAPA Energy and Environment SeminarStephanie Jones Stebbins,
Director, Seaport Environmental and Planning Port of Seattle
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Port Survey Participants
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Port of Everett
Port of Seattle
Port of Los Angeles
Port Authority of NY/NJ
Port of Baltimore
Jaxport
Port Canaveral
Port EvergladesPort of Houston
Port of Corpus Christi
Port of Tacoma
West Coast Ports
Gulf Coast Ports
East Coast PortsPort of Portland
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Coverage by municipal permit
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80%Yes
20%No
West Coast Ports
100%Yes
Gulf Coast Ports
20%Yes
80%No
East Coast Ports
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Industrial Permit Coverage
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100%Yes
West Coast Ports
100%Yes
Gulf Coast Ports
80%Yes
20%No
East Coast Ports
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Required to conduct monitoring
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100%Yes
West Coast Ports
100%Yes
Gulf Coast Ports
80%Yes
20%No
East Coast Ports
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Ports and/or tenants required to meet enforceable effluent limits.
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60%Yes
40%No
West Coast Ports
100%Yes
Gulf Coast Ports
60%Yes
40%No
East Coast Ports
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Ports that receive copies/updates to tenants’ SWPPPs.
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40%Yes
60%No
West Coast Ports
100%Yes
Gulf Coast Ports
80%Yes
20%No
East Coast Ports
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Ports that have tariffs and lease contract language that require tenants' compliance with port's SWPPP.
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40%Yes
60%No
West Coast Ports
100%Yes
Gulf Coast Ports
80%Yes
20%No
East Coast Ports
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Is Port or tenant responsible for selection, design, installation and/or maintenance of treatment devices or other BMPs?
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Port80%
Tenant0%
Both20%
East Coast PortsPort0%
Tenant40%
Both60%
West Coast Ports
Both100%
Gulf Coast Ports
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Port has participated in verification and testing of new treatment technology.
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60%Yes
40%No
West Coast Ports
100%No
Gulf Coast Ports
20%Yes
80%No
East Coast Ports
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Port is subject to Total Maximum Daily Loads, TMDLs.
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40%Yes
60%No
West Coast Ports
50%Yes
50%No
Gulf Coast Ports
20%Yes
80%No
East Coast Ports
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Permit CoveragePhase I Municipal Stormwater PermitISGP Permits
– 18 Tenant Permits
– 2 Port Permits
– Covering 700 AcresOther SEA/RE NPESP Permits
– Individual, Boatyard, Construction
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All NPDES Permits100% of Permit Coverage at RE/SEA
34%Municipal
65% ISGP
1% Other
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ISGP – Tenants
T-46: Port installing Up-flo on 3 of 4 outfalls / ~80 acres
T-18: 20 outfalls / ~200 acres: treatment at source locations
T-5: 14 outfalls~160 acres
T-115: Chitosan treatment system on 2 of 5 outfalls / ~70 acres
Also Treatment needed at:• T104, T106, T108, T25 & T30
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ISGP Thresholds
WA State ISGPs contain the most stringent requirements in the country for Zinc & Copper.
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117
260
120
Washington California Oregon
Zinc micrograms per liter
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33.2
20
Washington California Oregon
Copper micrograms per liter
Corrective Action Threshold Limits
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MunicipalProgram
Stormwater infrastructure
repair & upgrades
ISGPcosts
Stormwater Costs(5-year estimate)
$23M
$10M
$50Mto
100M
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Total Stormwater requirements Next 5 years
$85 to $135 Million in SW Requirements
Plus$23 Million in SWM fees
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$23 million could be used repair and
replaced 16 miles of Port owned
stormwater pipes.
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$0.40 $0.42 $0.51 $0.51 $0.69 $0.69 $0.73
$0.83 $1.05
$1.30 $1.40
$2.04 $2.26 $2.31
$2.71
$3.05
$3.36
$3.69
$4.06
$4.47
$4.91
$5.40
$-
$1.00
$2.00
$3.00
$4.00
$5.00
$6.00
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
In M
illio
ns
SWM Fees to City: 1997 - 2018
City Stormwater Fees
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Tenants
1997-2013 SWM Fees:
$24 MillionNext Five Years for SWM Fees:
$ 23 Million
Port of Seattle
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Port has the same obligations and authority as the City.
Obligations:
• Phase 1 municipal permits
Authority
• RCW 53.08.043 expressly grants port districts "all of the powers relating to systems of sewerage” that are granted to cities.
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Port SWM Fees and Expenditures
• Commission approved rates and budget• Utility spending includes:
– 80% SIRUP Stormwater Infrastructure Repair & Upgrades
– 20% Phase I Permit Compliance & Administration
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Total StormwaterInfrastructure
Repair & upgrades$23M
$4.6M
$18.4M
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Thanks!