Compliance Water Quality Seminar Austin TX October 13 2016 David James Water Quality Division Texas Commission on Environmental Quality Source Control Approach Source Control Planning 1 Identify Pollutants of Concern ID: 688206
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Slide1
Source Control Planning for Municipal Wastewater System Permit Compliance
Water Quality Seminar
Austin, TX.
October 13, 2016
David
James
Water Quality Division
Texas Commission on Environmental QualitySlide2
Source Control ApproachSlide3
Source Control PlanningSlide4
1. Identify Pollutant(s) of Concern
What is the concern?Slide5
Prohibited Discharges to
POTW
s
[40 CFR §403.5(b)]
Slide6
Prohibited Discharges to POTW
s
[40 CFR §403.5(b)]Slide7
1. Identify Pollutant(s) of Concern
Pollutant SourcesSlide8
1. Identify Pollutant(s) of Concern (cont.)
Why might these pollutants and types of facilities be a concern?Slide9
1. Identify Pollutant(s) of Concern(cont.)
“Look for diamonds in your backyard”Slide10
2. Find Sources of Pollutant
Sewer Collection System Sub-Basin
Map City of Folsom, CASlide11
3. Determine Prevention and Control Strategies (cont.)
Public Education?Slide12
3. Determine Prevention and Control Strategies (cont.)
Voluntary
Reduction?Slide13
3. Determine Prevention and Control Strategies (cont
.)
Implement a Partial Pretreatment Program?Slide14
3. Determine Prevention and Control Strategies (cont.)
Calculate and rank contributions of total loading from identified sourcesSlide15
4. Set Reduction Goals
Where,
[
L
]
in
= Allowable influent loading (mass)
[
C]eff = Effluent limit concentration (mass/volume)
Q
=
Wastewater flow
(
volume/time)
RE
=
Removal
efficiency
(design or measured )
Slide16
4. Set Reduction Goals (cont.)Slide17
5. Implement StrategySlide18
5. Implement Strategy (cont.)
Planning and ImplementingSlide19
6. Monitor ProgressSlide20
7. Reassess & AdjustSlide21
8. Communicate ResultsSlide22
Source Control Case StudiesSlide23
Case Study: WCWD Vehicle Service Facility Pollution Prevention
Program
West County Wastewater DistrictSlide24
Case Study: WCWD Vehicle Service Facility P2 Program
West County Wastewater DistrictSlide25
Case Study: WCWD Vehicle Service Facility P2 Program
Vehicle Service Monitoring Results for Zn,
Pb
, Cu, & Hg
(1995- 98)Slide26
Case Study: 1994 City of CleburneSlide27
Case Study: 2013 City of CleburneSlide28
Case Study: 2013 City of Cleburne (cont.)Slide29
Case Study: 2013 City of Cleburne (cont.)Slide30
Brewery Case StudySlide31
Brewery Case Study (cont.)
WWTP
Design Flow: 0.85 MGD
Average Flow: 0.35 MGD
Industrial Flow: 0.247 MGD
Hydraulic loading: 30 %
(% design flow)
Hydraulic loading: 70 %
(% actual flow)Slide32
Brewery Case StudyOutcomeSlide33
Source Control and Reduction of PhosphorousSlide34
Phosphorous as a Pollutant of Concern in WastewaterSlide35
TPDES Permitting Options to Reduce PSlide36
Industrial & Commercial Sources of PSlide37
Other Sources of PSlide38
Other Sources of PSlide39
Wastewater Treatment & Removal of PSlide40
Minimize P at the SourceSlide41
Minimize P at the SourceSlide42
SOME SECTOR-SPECIFIC RESOURCES FOR:
Food Processing
Mercury
Breweries
PhosphorusSlide43
Food Processing Source Control Resources
EPA Multimedia Environmental Compliance Guided for Food Processors (EPA 305-B-99-005)
http
://
www.epa.gov/compliance/resources/publications/assistance/sectors/multifood.pdf
Minnesota Technical Assistance Program
http://
mntap.umn.edu/food/wastewater.htmSlide44
Food Processing Source Control Resources
Waste Reduction in Food Processing
http://
infohouse.p2ric.org/ref/02/01228.pdf
Wastewater
Reduction and Recycling
in Food Processing Operations
http://
infohouse.p2ric.org/ref/24/23261.htm
Meat, Food, and Dairy Processing Industry-Waste Streams & PollutionPrevention
http://www.waterboards.ca.gov/coloradoriver/water_issues/programs/pretreatment/docs/rev_food_processors.pdfSlide45
Mercury Reduction Resources
Mercury-Added Products Found
at Drinking
Water & Wastewater Treatment Facilities
The
Northeast Waste Management Officials’ Association (NEWMOA
)
http://
www.newmoa.org/prevention/mercury/projects/WWT/Mercury-AddedProductsatWWTPlants.pdf
EPA Dental Amalgamhttp://www.epa.gov/hg/dentalamalgam.htmlSlide46
Mercury Source Control Resources
Blueprint for Mercury Reduction Guidance for WWTPs
Western Lake Superior Sanitation District
http://
www.wlssd.com/WLSSD_Blueprint_Mercury_Reduction.pdfSlide47
Mercury Source Control Resources
EPA Recommended Management and Disposal Options for Mercury-Containing
Products
Consumer products: home items
Medical pharmaceutical products
Consumer products: automotive parts
Commercial
products
Alternatives to Mercury-Containing Products
http://www.epa.gov/mercury/mgmt_options.html#commercialSlide48
Brewery Source Control ResourcesExamples of EPA Brewery Inspections
http://
www.epa.gov/region9/water/pretreatment/files/firestone-brewery-ins.pdf
http://
www.epa.gov/region09/water/pretreatment/files/sierra_nevada_brewery_2004-10-08_inspection.pdfSlide49
Phosphorus Source Control Resources
Phosphorus Management Plan
Guide (Minnesota Pollution Control Agency, 2006)
Six
Municipalities, One Watershed: A Collaborative Approach to Remove Phosphorus in the
Assabet
River Watershed (EPA 820-R-15-097, 2015
)Slide50
SummarySlide51
SummarySlide52
Questions?