Meets Special Condition S6 of NPDES Permit
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King County Department of Natural Resources and Parks Wastewater Treatment Division King Street Center, KSC-NR-0500 201 South Jackson Street Seattle, WA 98104-3855 February 27, 2018 Biniam Zelelow Washington State Department of Ecology 3190 160th Avenue SE Bellevue, WA 98008-5452 Transmittal of King County Industrial Waste Program's 2017 Annual Pretreatment Report Dear Mr. Zelelow: In accordance with Special Condition S6 of the National Pollutant Discharge Elimination System permits for the King County Department of Natural Resources and Parks, Wastewater Treatment Division's treatment plants, I am submitting the 2017 Annual Pretreatment Report. This submittal includes an executive summary and a program narrative for 2017, which provides greater detail on program activities. Please find the narrative portion of the report and a CD containing the appendices enclosed with this letter. In addition, the narrative and appendices will be uploaded to the Permitting and Reporting Information System (PARIS). If you have any questions regarding the Annual Pretreatment Report, please call Industrial Waste Program Manager Mark Henley at 206-263-6994 or email him at [email protected]. Sincerely, ^v ~^'-—' Mark Isaacson Division Director Enclosure ec: Chris Townsend, Section Manager, Environmental and Community Services Section (ECSS), Wastewater Treatment Division (WTD), Department of Natural Resources and Parks (DNRP) Mark Henley, Manager, Industrial Waste Program, ECSS, WTD, DNRP Annual Pretreatment Report 2017 March 2018 Department of Natural Resources and Parks Wastewater Treatment Division Industrial Waste Program For comments or questions, contact: Mark Henley King County Wastewater Treatment Division Industrial Waste Program KSC-NR-0513 201 S. Jackson Street Seattle, WA 98104-3855 206-263-6994 [email protected] Alternative Formats Available 206-477-5371, TTY Relay: 711 Contents Executive Summary ........................................................................................................................ v 1.0 Introduction ......................................................................................................................... 1 2.0 Industrial Waste Program Operations ................................................................................. 3 2.1 Industrial Wastewater Discharge Approvals .................................................................. 3 2.1.1 Types of Control Documents ..................................................................................... 3 2.1.2 Control Document Activity in 2017 .......................................................................... 4 2.2 Inspections ...................................................................................................................... 5 2.3 Monitoring ...................................................................................................................... 6 2.3.1 Self-Monitoring.......................................................................................................... 6 2.3.2 Compliance and Surcharge Program Monitoring ...................................................... 6 2.4 Enforcement Activities ................................................................................................... 7 2.4.1 Notices of Violation Issued in 2017........................................................................... 8 2.4.2 Fines Imposed in 2017 ............................................................................................... 8 2.5 Cost Recovery ................................................................................................................. 8 2.6 Biosolids and Effluent Quality at Wastewater Treatment Plants.................................... 9 2.6.1 2017 Biosolids Data ................................................................................................. 10 2.6.2 Brightwater Treatment Plant, South Snohomish County ......................................... 10 2.6.3 Carnation Treatment Plant, City of Carnation ......................................................... 11 2.6.4 South Treatment Plant, City of Renton .................................................................... 12 2.6.5 Vashon Treatment Plant, Vashon Island .................................................................. 13 2.6.6 West Point Treatment Plant, City of Seattle ............................................................ 13 3.0 Special Projects and Activities.......................................................................................... 15 3.1 Activities Regarding Specific Types of Wastes ............................................................ 15 3.1.1 Construction Dewatering Discharges ...................................................................... 15 3.1.2 Dental Waste ............................................................................................................ 16 3.1.3 Fats, Oils, and Grease .............................................................................................. 16 3.1.4 Winery and Brewery Waste ..................................................................................... 16 3.2 Key Manhole Program .................................................................................................. 17 3.2.1 Response to Unusual Occurrences ........................................................................... 17 3.2.2 Surveillance Monitoring .......................................................................................... 22 3.3 PIMS Database.............................................................................................................. 23 3.4 Septage .......................................................................................................................... 23 2017 Annual Pretreatment Report, King County Industrial Waste Program iii 3.5 Source Control Activities .............................................................................................. 24 3.5.1 Lower Duwamish Waterway ................................................................................... 24 3.5.2 East Waterway ......................................................................................................... 25 3.6 Surcharge to Treat High-Strength Wastes .................................................................... 26 3.7 Review of Businesses in the Service Area .................................................................... 27 3.7.1 Comprehensive Survey ............................................................................................ 28 3.7.2 Other Actions ........................................................................................................... 28 4.0 Outreach Activities ........................................................................................................... 29 4.1 Rewards and Recognition Program .............................................................................. 29 4.2 Other Outreach Activities ............................................................................................. 31 Appendices Summary of Appendices ............................................................................................................... 33 Appendix A. Updated Listing of Non-Domestic Industrial Dischargers ...................................... 35 Appendix B. Results of Wastewater Sampling at Treatment Plants ............................................. 59 Appendix C. Status of Pretreatment Program Implementation .................................................... 84 Appendix D. Status of Compliance Activities ............................................................................ 506 Tables Table 1. Type and Number of Active Control Documents (2013–2017) ....................................... 4 Table 2. Number of Active Control Documents by Discharger Category, Year-End 2017 ........... 5 Table 3. Number and Type of New, Renewed, and Revised Control Documents in 2017 ............ 5 Table 4. Type and Number of Inspections in 2017 ......................................................................... 5 Table 5. Type and Number of Compliance, Surcharge Program, Key Manhole Program, and Post-Violation Samples Collected in 2017 ............................................................................ 7 Table 6. Type and Number of Notices of Violation in 2017 .......................................................... 8 Table 7. Rates Assessed by King County Industrial Waste Program in 2017 ................................ 9 Table 8. Comparison of 2017 Median King County Biosolids Quality to EPA Standards for Class B In-Land Recycling (milligrams/kilogram dry weight basis) .................................. 10 Table 9. Unusual Occurrences in 2017 ......................................................................................... 17 Table 10. Number of Gold and Silver Award Winners (2012–2016)........................................... 29 Table 11. 2017 Gold and Silver Award Recipients for Compliance in 2016 ............................... 30 2017 Annual Pretreatment Report, King County Industrial Waste Program iv EXECUTIVE SUMMARY The King County Industrial Waste Program (KCIW) regulates more than 600 commercial and industrial customers of King County’s regional wastewater system. The program functions under the County’s Wastewater Treatment Division (WTD) as a delegated pretreatment program required by the National Pollutant Discharge Elimination System (NPDES) permits