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Home My WebLink AboutCOM 0732.001 2022-2024JM[-4 OF Mitchell D. Roth°',�� 7 1I�a. Ramzi I. Mansour Mayor �i .� Director Deanna S. Sako +;°o �rF Brenda lokepa-Moses cF•N'N Managing Director Deputy Director County of Hawaii DEPARTMENT OF ENVIRONMENTAL MANAGEMENT 345 Kekuando`a Street, Suite 41 • Hilo, Hawaii 96720 • cohdem@hawaiicounty.gov Ph: (808) 961-8083 Fax: (808) 961-8086 c-; rn MEMORANDUM DATE: February 20, 2024 V TO: Heather Kimball, Council Chair and Members of the Hawaii County Council FROM: Ramzi I. Mansour, Director Department of Environmental Ma emerit SUBJECT: Res. No. 441-24: A RESOLUTION AUTHORIZING THE MAYOR TO ENTER INTO AN ADMINISTRATIVE ORDER ON CONSENT AGREEMENT WITH THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY PROCEEDING UNDER SECTION 309(a) OF THE CLEAN WATER ACT, 33 U.S.C. §1319(a). Attached is additional information related to Resolution No. 441-24. Please distribute to the Governmental Operations and External Affairs Committee meeting on February 20, 2024. RM:ps Att. Hawai `i County is an Equal Opportunity Provider and Employer Comm. '"U. 2. Ref. To: Ref. Date FE 2 ro ZU4 Governmental Operations and External Affairs Committee County of Hawai'i Department of Environmental Management Wastewater Administrative Order on Consent February 20, 2024 BACKGROUND Representatives from the EPA and DOH conducted a number of compliance inspections of the County wastewater facilities between 2016 and 2022. It was determined that the County: I. Does not have a program in place to systematically repair, rehabilitate, and replace aging infrastructure prior to failure; 2. Does not have capital improvement planning (CIP) program to evaluate criticality of infrastructure and to plan for anticipated failures; 3. Does not have an adequate financial plan with a sustainable funding mechanism to plan costs and financing for CIP projects and repairs; 4. Is not operating and maintaining its sewer collections systems to prevent sewage spills. 5. Has not sufficiently assessed the condition of its sewer systems; and 6. Does not have a program in place to systematically repair, rehabilitate, or replace its aging force mains prior to failure. NPDES VIOLATIONS 2016-2022 Wastewater Treatment Plant Discharges Type Date Facility Asset Failure Partially Disinfected 2022- Hilo WWTP Air Feed to the Solids Contactor Unit Discharge Nov Not Disinfected 2022- Kula'imano Trickling Filter Pumps Discharge Jan WWTP Partially Treated 2021- Kula'imano Electrical System Discharge Dec WWTP Not Disinfected 2021- Kula'imano Aeration Basin and Disinfection Systems Discharge Dec WWTP In -Plant Spill of 2021- Kula'imano Headworks Blockage Untreated Sewage Dec WWTP In -Plant Spill of 2021- Kula'imano Disconnected Flexible Hose Untreated Sewage Sep WWTP Not Disinfected 2018- Kula'imano Disinfection System Pump Discharge Dec WWTP Not Disinfected 2017- Kula'imano Aeration Basin Discharge Nov WWTP 1 Governmental Operations and External Affairs Committee Effluent Limit Exceedances February 20, 2024 Date Facility Impact Oct-2021 Hilo WWTP Enterococci 39,000 CFU/100 mL Jul-2021 Papa'ikou WWTP Enterococci 740 CFU/100 mL Jul-2021 Papa'ikou WWTP Exceeded total suspended solids limit (14 CFU/100 ml-) Sep-2019 Kula'imano WWTP Enterococci 230 CFU/100 mL Mar-2022 Kula'imano WWTP Total Ammonia (as Nitrogen) 1,417 µg/L Collection System Spills Date Asset Cause Impact 16-May- Gravity Line along Hawai'i Corroded, Leaking, Blocked 67,800 gal to Kapu'e 2021 Belt Road in Papa'ikou Sewer Line Stream/Ocean 9-Mar- Drainage Swale fronting Rainfall Overwhelmed the 400,000 gal to Coastal 2021 Papa'ikou WWTP Capacity Waters 30-Nov- Force Main -Banyan SPS in Hilo Contractor Punched Hole into 48,000 gal to Ocean 2020 the Main 10-Jul- Force Main - Keopu SPS in Corroded, Failed Sewer Line 20,000 gal to Ocean 2020 Kailua-Kona 28p- 5000 gal Discharged , 017 Gravity Line in Na'alehu Corroded Sewer Line to the Ground 13-Jun- Force Main - Lanihau SPS in Corroded, Ruptured Cast Iron 2,000 gal to Ocean 2017 Kailua-Kona Force Main Secondary Treated 5-Jun- -Junn- Pua SPS Pipe Failure Wastewater 2017 Discharged to Ocean 3-Apr- Manhole at Waianuenue Ave. 41,000 gal to Wailuku 2017 and Laimana St. in Hilo Blocked Sewer Line River/Ocean 3-Apr- Pauka'a SPS in Hilo Rainfall Overwhelmed the gal to Ocean 2017 Capacity5,000 Operation and Maintenance Deficiencies Safety Date Facility Asset Cause Concern? 2016 Hilo WWTP 1/2 Aerated Grit Screening Tank Inoperable 2016-2022 Hilo WWTP 1/2 Aerated Grit Screening Tank Severely Corroded Governmental Operations and External Affairs Committee February 20, 2024 2016-2022 Hilo WWTP Sludge Digesters - Lightning Rod Severely Corroded Yes Wiring Inoperable/Severely 2016-2022 Hilo WWTP Headworks - Gate Valves Corroded Bio Towers - Rotating Distributor Corroded/Blocked 2019-2021 Hilo WWTP Arms Outlets/Leaks Bio Towers - 2/4 Recirculating 2015-2021 Hilo WWTP Inoperable Pumps Bio Towers - Isolation Valve for 2016-2022 Hilo WWTP Waste Activated Sludge (WAS) Inoperable Pumps 2013-2021 Hilo WWTP Clarifiers Improper Operation 2016-2022 Hilo WWTP Sludge digesters Severely Corroded 2016-2022 Hilo WWTP Gate Valve - Sludge Digesters Inoperable Floating Roof of 1/2 Sludge 2016-2022 Hilo WWTP Digester Tanks Inoperable Yes Floating Roof of 2/2 Sludge 2016-2022 Hilo WWTP Severely Corroded Yes Digester Tanks 2016 Hilo WWTP Boiler for Sludge Digester Inoperable 2016-2022 Papa'ikouWWTP Influent Grinder Screen Inoperable 2016-2022 Papa`ikou Clarifiers Improper Operation WWTP 2016 Papa'ikou Sludge Dewatering Centrifuge Inoperable WWTP Equipment 2016-2022 Kula'imano Influent grinder screen Inoperable WWTP 2013-2021 Kula'imano Clarifiers Improper Operation WWTP 2015 Kula'imano Sludge Dewatering Centrifuge Inoperable WWTP Equipment 2016-2022 Kealakehe Influent Screen Partially Inoperable Yes WWTP Governmental Operations and External Affairs Committee 2024 STATUS OF CORRECTIVE ACTIONS Capital Improvement and Financial Planning February 20, 2024 Name I Status Cost Start I Finish I AOC Deadline Hilo WWTP Rehabilitation and Replacement Base Project Env Review $3�300,000 10/17/22 3/29/24 NA Design IN PRO $26,600,0 1/26/22 4/1/24 NA Invitation to Bid NOT STARTED NA 4/1/24 5/3/24 9/30/24 Construction NOT STARTED $266,000,000 11/4/24 11/4/31 8/1/25 to 6/30/35 Secondary Treatment Env Review OGRESS' $2,'�000 10/17/22 3/30/24 NA Design IN PROGRESS c"�80 10/17/22 10/1/24 NA Invitation to Bid NOT STARTED NA 10/1/24 12/3/24 NA Construction SPS Force NOT STARTED $43,500,000 Main ReplacementPula IN PROGRES $i 000,0 5/20/25 11/17/22 5/20/32 1/1/24 NA NA Env Review Design IN PROGRESS., $4000,000 3/2/21 12/1/24 NA Invitation to Bid NOT STARTED NA 12/2/24 1/9/26 12/28/30 Construction NOT STARTED 1 $40,000,000 7/1/26 7/2/31 7/1/30 to 6/30/35 Kula"imano WWTP Rehabilitation and Replacement Headworks Env Review N $150,000 7/2/24 3/1/25 NA Design NOT STARTED $300,000 3/29/24 6/16/26 NA Invitation to Bid NOT STARTED NA 6/16/26 10/30/26 10/30/26 Construction NOT STARTED $3,000,000 4/16/27 4/12/30 3/1/27 to 6/30/30 Aeration Basin Env Review NOT STAR $250,000 6/28/24 3/1/25 NA Design NOT STARTED $1,000,000 12/31/24 6/16/26 NA Invitation to Bid NOT STARTED NA 6/16/26 11/2/26 10/30/26 Construction NOT STARTEDI $5,000,000 4/19/27 4/15/3=3/1/27 o 6/30/30 P5pa'ikou WWTP Rehabilitation and Replacement Headworks Governmental Operations and External Affairs Committee February 20, 2024 Env Review NOT STARTED $150,000 6/28/24 3/1/25 NA Design NOT STARTED $300,000 3/29/24 6/16/27 NA Invitation to Bid NOT STARTED NA 6/16/27 8/11/27 10/30/27 Construction NOT STARTED $3,000,000 1/26/28 4/15/31 3/1/28 to 6/30/31 Aeration Basin Env Review7TED1 ED $250,000 6/28/24 3/1/25 NA Design ED $1,000,000 1/1/25 6/16/27 NA Invitation to Bid ED NA 9/6/27 10/30/27 10/30/27 Construction $5,000,000 1 4/17/28 1 6/30/31 1 3/1/28 to 6/30/31 Env Review IN PROGRESS; $2—,500--, WO 12/29/23 11/1/24 NA Design IN PROGRESS'' k $5,000,000 6/29/22 1/6/25 NA Invitation to Bid NOT STARTED NA 1/6/25 2/7/25 9/1/25 Construction NOT STARTED $50,000,000 8/6/25 8/1/28 3/1/26 to 6/30/29 SPS Force Main Replacement 3/17/17 10/2/24 NA Env Review $8�A89 Design $�A;AA9 10/6/20 3/1/25 7/1/25 Hale H515wai SPS ForceReplacement 1N P 7/7/23 3/1/24 NA Env Review Design IN PROGRESS$320,000 3/25/22 7/1/24 NA Invitation to Bid NOT STARTED NA 7/1/24 9/3/24 1/1/25 Construction NOT STARTED $3,200,000 2/18/25 2/18/27 7/1/25-6/30/27 Planning, Operation, and Maintenance Programs Program Deliverable tus � 0,C ,lir Capital Improvement Critical Project Scoring, Condition Assessment, Priority Ranking 30-Jul-2024 31-Dec-2026 IN Final Project Scoring, Condition Assessment, Priority Ranking Implementation Schedule IN PROGR 30-Jun-2027 Annual Assessment and Report NOT STARTED Annual Financial Plan NOT STARTED 30-Jun-2027 Integrated Wastewater Master Plan IN PROGRESS 31-Jan-2027 Governmental Operations and External Affairs Committee February 20, 2024 ID parcels not connected, where Wastewater Sewer expansion is appropriate and modify 77 31-Dec-2026 Service Connection policies and procedures. Expansion Financial Plan IN PROGRESS`" 30-Jun-2028 Asset Management System NOT STARTED 30-Jun-2024 Implementation Plan Asset Management Asset Management System Completion IN PROGRESS 1-1u1-2025 Annual Report NOT STARTED Annual Spill Response Plan IN PROGRESS 1-Jul-2024 Operations and Maintenance Plan IN PROGRESS 1-Jul-2025 Collection Systems Condition Assessment of all Gravity Lines IN PROGRESS 1-Oct-2028 Preventative Maintenance Condition Assessment of all Force Mains NOT STARTED 1-Oct-2030 Regular Inspection, Cleaning, and 36 months to 5 Corrective Actions years OTHER DEM PROCESS IMPROVEMENTS Operation and Maintenance • Asset Management System Implementation • Pipeline and Manhole Condition Assessment, CCTV and Repair Training Capital Improvement Planning • Cost/Benefit Analysis and Prioritization • Core Team Structure with DEM Administrative Oversight • Project Checklist • Project Management Schedules and Training • Financial Forecasting for Critical Projects • Public Education, Outreach and the New DEM Website PLANNING FOR FUTURE NEEDS AOC Compliance • Compliance Management System and Monitoring • Reporting Program • Staffing - DEM Administrative Oversight • AOC Team Operations and Maintenance • Staffing— Operators, Electricians, and Procurement Specialist a Governmental Operations and February 20, 2024 External Affairs Committee • Reliable Trucks with Safety Equipment for Sewer Line Assessment and Repair • Asset Management System Completion and Adoption by All Staff Levels • Standard Operating Procedures for Condition and Repair/Rahab/Replacement Assessments, Prioritization, Budgeting, and Equipment Specifications and Procurement. • Warehouse with Inventory Control Capital Improvement Planning • Staffing — Engineers • Project Management Training • Standard Operating Procedures to Evaluate Criticality of Infrastructure • Financial Plan with Sustainable Funding 7