Agenda - Council Workshop - 20230207Town of Aurora
Council Workshop/Education Session
Agenda
Date:Tuesday, February 7, 2023
Time:5:45 p.m.
Location:Council Chambers, Aurora Town Hall
Meetings are available to the public in person and via live stream on the Town’s YouTube channel.
Pages
1.Call to Order
2.Land Acknowledgement
3.Approval of the Agenda
4.Declarations of Pecuniary Interest and General Nature Thereof
5.Consideration of Items Requiring Discussion
5.1 Drinking Water Quality Management Standard (DWQMS) – Standard of
Care
1
(Presentation to be provided by Brigitte Roth, Principal Consultant,
Acclaims Environmental Inc.)
6.Adjournment
Taking care of your drinking waterTraining for members of municipal councilPage 1 of 28
Why are we here?• Statutory Standard of Care• Council, as Owner, needs to:– Understand personal duty.– Be informed: ask questions, get answers.– Be vigilant.• Provide an overview of Aurora’s drinking water system.Page 2 of 28
SDWA s. 19 Statutory Standard of Care – the Owner shall:• Exercise level of care, diligenceand skill– …that a reasonably prudent person would be expected to exercise in a similar situation; and• Act honestly, competently, with integrity – …ensuring the protection and safety of the users of the municipal drinking water system.…or be guilty of an offence (SDWA s.19(3)).Page 3 of 28
Safe drinking water: a shared responsibility1. The province:• Ministry of the Environment, Conservation and Parks• Ministry of Health and Long-Term Care2. Public Health: – York Region Public Health3. Drinking water system Owner: – Town of Aurora Council4. Accredited Operating Authority: – Aurora Operations ServicesPage 4 of 28
Duties – SDWA s.11-18OWNER• Ensure accredited Operating Authority (OA) operating DWS• Report to the public on any matter required by regulations• Agreement with accredited OA: DWS description, Owner vs. OA responsibilities (re: Act, approvals, emergencies, OP’s)• Can delegate responsibilities to OA in agreement (not S.19)• Can rely on experts in good faithOPERATING AUTHORITY (OA)• Provide water meeting drinking water quality standards; labs used accredited, eligible to test• Operate in accordance w/ Act • Maintain DWS in fit state repair• Satisfy req’ts for DWS Class• Ensure DWS is operated by certified, trained persons as req’d; supervised by qualified persons (per reg’s, approvals) • Sampling, testing, monitoring requirements complied with• Report as requiredPage 5 of 28
Operating AuthorityPage 6 of 28
Town of Aurora is committed to:1. Ensuring a consistentsupply of safe, high qualitydrinking water, through a commitment of system maintenance;2. Maintaining and continually improving its quality management system, through a commitment to Aurora’s consumers to provide safe drinking water, and;3. Comply with applicable regulations and legislation.Page 7 of 28
Top Management competency and years’ experienceRoleMinimum CompetencyCompetency AchievedYears’ ExperienceMgr of Operations ServicesClass II Class II 33Super. of Water & WastewaterClass II Class III 16Program CoordinatorClass II OIT, WQA 12Certified OperatorsOITClass II6-21Page 8 of 28
A multi-barrier approachImage source: Conservation Ontario, 2009Ontario Water Resources Act, 1990Clean Water Act, 2006Safe Drinking Water Act, 2002Page 9 of 28
Drinking water sourcesPage 10 of 28
Source protection planning1. ID source water and vulnerable areas2. ID water quality and quantity issues3. Identify threats4. Establish the levelof risk5. Develop policies to address significant risksPage 11 of 28
Source protection activities by York RegionSource: Figure 9 from York Region’s Source Water Protection Implementation –2017 report.Page 12 of 28
Effective treatment• Two main source types:1. 80% surface water (York: Peel, Toronto)2. 20% well water (York: 7 local wells)• Water quality monitored continuously – (Aurora and York Region)• Well water treatment and chlorination is carried out by York Region.Page 13 of 28
Distribution system goals•Effective Design and Build– Maximum daily use for residential and ICI customers– Fire fighting demand, and– Operational redundancy•Effective Operation– Pressure management– Chlorine residual– Flushing and cleaning – Leak detection and condition assessment•Effective Maintenance– Timely response to breakdowns– Preventive to ensure infrastructure longevity andreliability of servicePage 14 of 28
Infrastructure planning• Ensure ongoing infrastructure sustainability with 10-year plan (coordinated with other divisions).• Driven by:– Watermain age– Failures history– Condition assessments– Large capital maintenance and replacement projects• Annual infrastructure meetings to discuss priorities and changing risks.• Emergency repairs by contractors.Page 15 of 28
Effective monitoring & reporting• Regular sampling and monitoring– Regulatory sampling throughout the distribution system– Operational chlorine residual program• Incident response and notifications– Adverse water quality incidents (AWQI’s)– Notifications to: MECP, YRPH, Owner, public• Reports and communicationsPage 16 of 28
Ministry of Environment, Conservation & Parks (MECP)• Annual MECP inspections• Ranges of scores are between 97-100% • Summary of other notes included, such as– backflow recommendation – what actions are taken in response– other opportunities for improvementPage 17 of 28
Municipal Drinking Water Licensing (MDWL) program•Municipal Drinking Water Licence (MDWL): – June 2026 expiry (application Dec. 2025)•Drinking Water Works Permit (DWWP): – June 2026 expiry (application Dec. 2025)•Permits to Take Water (PTTW):(NA)•Operational plan: updated annually (with ea. external audit) and endorsed by the Owner with each new council.•Accreditation maintained: 2022 internal audit (DWQMS 2.0); 2022 external audit (DWQMS 2.0)•Financial Plan, Sept 2020:– Updated plan to be approved by Owner prior to MDWL application deadline in 2025Page 18 of 28
Annual QMS Activities•Emergency Response Training – 2022 cybersecurity attack– 2021 water pressure issues•Internal audit – Fall timeline, last conducted November 2022•External audits – Spring timeline, next scheduled March 2023•MECP Inspections– Unannounced, last conducted January 5, 2022Page 19 of 28
Annual QMS Activities•Annual Reports – targeted February timeframe, posted annually •Management Reviews – Management Review meeting March 28, 2022– Summary report posted in Spring timeline with deficiencies, decisions, action items•Annual Budget process – looking at infrastructure review, asset management, outcomes of risk assessmentPage 20 of 28
O. Reg. 170/03 s.11 Annual Reports: – A description of the drinking water system,– A list of water treatment chemicals used;– A summary of most recent water test results;– A summary of adverse test results or other issues (including corrective actions taken)– A description of major expenses incurred to install, repair or replace required equipment, – The locations where this report is available.Page 21 of 28
Risk Assessment•Highest risks– Watermain breaks– Backflow events– Possible microbiological contamination•Plans to address these– Emergency watermain break response and disinfection– Backflow prevention program (by-law)– 45+ town-owned sample stationsPage 22 of 28
Major Emergency (e.g. natural disaster)- Municipal Emergency Control Group activated- Town emergency plan activated- Operations Services’ emergency plan activatedSignificant Emergency (e.g. water advisory)- Municipal Emergency Control Group activated- Operations Services staff fully engaged in response activities- Both Operations Services and Town emergency plans activatedMinor Emergency (e.g. severe weather)- Operations Services staff fully engaged- Operations Services emergency plan activated- Town emergency plan not activatedEmergency ManagementPage 23 of 28
Effective Management: Customer Service• Water department staff respond to customer calls (8:30 am – 4:30 pm); after-hours answering by on-call staff.• Operations Services 24/7 staff coverage.• Same day call response, with most issues resolved over the phone.• Water efficiency: By-law for peak season demands.• Water quality complaints mostly discoloured water, reduced pressure (re: plumbing and appurtenances).• 62,500 customers keep eye on system.• Potential to expand on community outreach and education events.Page 24 of 28
Key Challenges• System vulnerability to backflow events.• Maintaining water quality in new developments (regarding low flows).• Infrastructure sustainability and asset management (distribution system only).• Increasing customer expectations.• Changing regulations.Page 25 of 28
Conclusions – Policy Direction• Owner oversight of major policy areas and programs:– Financial plans– Annual budget process to ensure sustainability of water system– 10-year capital plan for infrastructure planning– Emergency management– Customer servicePage 26 of 28
Thank youFor more information, seeaurora.ca/water Page 27 of 28
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Region WellNo.5Ridge Road Water TankPeel Region SupplyCity of Toronto SupplyBathurst StreetReservoir (Peel Region)RegionalWellington Street EastWater Booster StationRegion WellNo.6Region WellsNo.1-4NW WaterTowerNW ReservoirOrchard HeightsPumping StationRegional WaterTreatment FacilityRidge Road RegionalPumping StationSW Tower on Allenvale DrTown of AuroraWater Booster StationTOWN OF AURORA STREET INDEX00.250.5Kilometres4TOWN OF AURORAWATER DISTRIBUTION MAP
LEGENDMunicipal BoundaryOak Ridges MoraineBoundarytututuRailwayTransmissionLine!!!!WATER SUPPLYTown Booster StationRegional Water MainPumping StationBooster Pumping StationWater Treatment FacilityReservoirRegional Production WellRegional Water Tower²³!H!(#*Municipal Water MainJ:\_Departments_space\Works\Pressure District Zones\Pressure_District_Zone_Map.mxdMap created by Town of Aurora Planning Department (GIS),August 17th, 2009. Map updated by Business Solutions,IT Division on Date: 2022-09-23. Base Data provided by theRegion of York, and the Town of Aurora OperationsDepartment, Waster/Wastewater Division.The Town of Aurora is not responsible for any errors oromissions on the map and makes no guarantees regardingthe accuracy and completeness of the informationpresented. The Town of Aurora cannot be held liable forany choices made, actions performed or damagessustained by the user based upon the data provided.Duplication and/or reproduction of this map for commercialuse is strictly prohibited. DRAWN BY: CF DATE: 08/17/09UPDATEDBY: PLAPPROVED BY: LHPAPER: 24X36(ARCH D)DATE UPDATED:2022-09-23FILE:PRESSURE_DISTRICT_ZONE_MAP.MXDProposed RoadRoadNon-Municipal Water Main(Private or Unassumed)PRESSURE DISTRICTZone 3 (Southern)Zone 2 (Western)Zone 1 (Central)Zone 4 (Eastern)Zone 5 (PD9)Unserviced Area NO. DATE REVISIONS BY 09 05/18/21 Update index, assumed areas JS YYonge Street C8-D1F1Yvonne PlaceWyatt Lane E3-F3Wilkinson PlaceWestview DriveWethersfield CourtWhispering Pine TrailWhitfield CourtWiles CourtWilkes CourtWilliam Graham DriveWoodroof CrescentWoodsend CrescentWindham TrailWoodland Hills BoulevardWillis DriveWillow Farm LaneWilton TrailWilliamson TerraceWinn PlaceC2-D2G7-H7B4B2-B3B4C5D2G1-H3E3E7B4B1B5-B6C2-D1E6B2F1-F2F3-F4Zokol DriveWesthill Court H8ZWeslock CrescentWellington Street WestWells StreetWenderly DriveWells Street NorthF3-F4A4-D4D4-D5D5D4Usherwood Street F2-F3Underhill CrescentUrquhart CourtC6E8-F8Wellington Heights CourtWellington Street EastWebster DriveB3D4-I4C6Van Allen WayVandorf SideroadVata CourtVictoria StreetD6-I6D5F2-G2D4Vines Place F5-F6WWallwark Street F2Walter Dove Court E3-F3Walton DriveWardle GateD2-D4B6Water Well Lane D3Watkins Glen Crescent E2-F2Watts Meadow B6Tyler StreetTwelve Oaks DriveC4-D4D2-E2USunray PlaceTTamarac TrailTannery Creek CrescentC3B6-C6B4-C4Thomas Phillips Dr F1-G1Touch Gold Crescent G4Thompkins CrescentTilston GroveTimberline TrailTimbertrail CrescentTimpson DriveTonner CrescentC6-D6B2B5C2B4-C4G3Towns Lane G2-H3Treegrove Circle B2-C2Trent Street F1Tribbling Crescent B2-C2Trillium DriveTucker CourtTurnbridge RoadB5-C5E7E2Tradewind TerraceTree Tops LaneB7D7-E7Sparks StreetSt Andrews CourtSt. John's SideroadSpence DriveSpringburn CrescentSpyglass CourtSpring Farm RoadStarkweather StreetStarr CrescentSteckley StreetSteel DriveSteeplechase AvenueStemmle DriveStiles AvenueStoddart DriveStone RoadStonecliffe CrescentStocks LaneStorrington GateStrawbridge Farm Drive E5-F5Stronach Boulevard G4H2D2-D3B1-I1F2B6-B7C5C5H3F2E2-E3F3-G3D7-E8B7F2-F3C5F4-F5E6G1C2Soleil BoulevardSomerton CourtA8-B8E2Suffolk Avenue F3Schurman Street G2River Ridge BoulevardRoth StreetRothwell StreetRoy Harper AvenueRussell Parker CresSandfield DriveSandlewood CourtSandusky CrescentSScanlon CourtRush RoadRoyal RoadRoss Linton DriveF3-G3G2G1-G2G1-H2G1-G2B7E3-E4C5E3E1-F1D5B7Scrivener Drive H2Seaton DriveSherman Oaks CourtSirona's LaneSimmons CrescentSioux GateSisman AvenueSkipton TrailSkyview LaneSenator CourtB6-C5B1G4B5C3B4E2E8C4Snedden Avenue E2-E3Ridge RoadRidge Hill RoadRickard StreetC7-D7C7F5Pattemore Gate G3Payne Crescent G1Pedersen DrivePerivale GardensPetch CrescentE2-F2E2B5Petermann StreetPeter Miller StreetPittypat CourtPinnacle TrailPinehurst CourtPineneedle DrivePointon StreetPoplar CrescentPreston Thompson PlPrimeau DriveProud CourtRachewood CourtQuail Ridge DriveQRRadial DriveRaiford StreetRansom CourtRansom StreetRead StreetReuben StreetReynolds CrescentRichardson DriveF2G2E1-F1D2C4B2-B3F2-G2C6B6E5G3C6E7G2D2-E2D5D5G2D4F2C5-C6Murdock Avenue B3Mugford Road E3Murray DriveNNavan CrescentC4-D5C3Mosaics AvenueMosley StreetC6-D5D4Mowder Drive G1-G2Novan Crescent G1Northern Dancer LaneNisbet DriveNicklaus DriveG4C5F3-G3OOak CourtOchalski RoadOctober LaneOdin CrescentOfford CrescentO'Hara DriveOld Bloomington RoadOld Yonge StreetOrchard Heights BlvdOstick StreetOttawa CourtOwl's Foot CrescentPParkland CourtPatrick DriveD3E3E4-F5D3F8D2C8-E8D1-D2B3-D3E3C3B5D3C5-C6McRoberts Place B8Meadow Lark LaneMeadowood DriveMendy's ForestMetcalfe StreetMilestone CrescentMilgate PlaceMill StreetMillcliff CircleD6C2C2D4C4C6D4F4Miliken Drive G3Milloy Place F4Minlow Way G3Moffat CrescentMonkman CourtMoorcrest DriveMorland CrescentMorning CrescentB3-C3E6D2F3-F4B5McNally Way F3McGee CrescentMcClenny DriveMavrinac BoulevardMcDonald DriveMcClellan WayB4B5-B6F1-G4C3-C4A7-C6McKee Court H2McKinley Gate B1-B2McLarty GateMcLeod DriveMcMaster AvenueG3B3-B4F2-F3Lewis Honey Drive F2Lee GateLenarthur CourtLensmith DriveLeslie StreetLimeridge StreetLittle Erika WayLong Valley RoadC6B2B4G8-H1E1-E2B4-B5C2Lille Court A8-B8Longthorpe Court F6Loraview Lane B7-C7Loring Doolittle Court C4Machell AvenueMMagna DriveMahogany CourtD3-D4F4-G4B6-B7Luxton AvenueLougheed CourtE3B4Major Crescent F1-G1Marshview AvenueMartell GateMary StreetMasters RowMatson CourtF3F3E4C2F2Maple StreetMark StreetMarksbury CourtMarsh HarbourD3D3B3-B4B5KKennedy Street EastKennedy Street WestD4B4-D4Kerr Lane G3Kane CrescentKarindon CourtKashani CourtKemano RoadKendrick CrescentKenlea CourtG3C2G2B3-C3E6C3-C4Lanewood DriveLangman PlaceKeystone CourtKirkvalley CrescentKitimat CrescentKlaimen CourtKnole Haven DriveKnowles CrescentLLacey CourtLarmont StreetLaurentide AvenueLaurwood CourtC2B4D3E2-F2C3B2B4-B5B5-B6B3-B4D4D3B3Kidd Circle F1-F2Jones CourtJohnson RoadJoseph Hartman CresJoseph Tuck CourtC5-C6C5-C6G2B1Industrial Parkway N E2-E4Industrial Parkway SIndustry StreetIng CourtIronshore CourtIrwin AvenueIsaacson CrescentIvy Jay CrescentD6-E4E4F8C5D3F2G2-G3Iber CourtIllingworth CourtD5D3IHolman CrescentHollandview TrailHollidge BoulevardHollingshead DriveHomer CrescentHorsley CourtHoudini WayHunters Glen RoadHunting TrailHuron CourtHutchinson RoadHutt CrescentB6-C5E3-F2E3-F3D2-E2H2F2C7-C8C8-D7E6C3-D3C6G1JJames Henry DriveJarvis AvenueJasper DriveJohn West WayC4D6-D7C3-C4E3-E4Haida DriveHalldorson AvenueHammond DriveC3-C4F3-G3C3Hancock Street H2Hawthorne Lane C4Harmon AvenueHarriman RoadHarrison AvenueHartwell WayHaskell CrescentHaverhill TerraceB3-B4C4D4F2-G2B6-C6E2Harry Penrose Avenue F2Hawtin Lane E4Heatherfield Lane D2Heaney Court G2Henderson DriveHeathwood Heights DriveHighland CourtB2-C2B6-D6C4-C5Highway 404Hill DriveHillary PlaceHilldale RoadHillside DriveHillview RoadHodgkinson CrescentHighland GateHolladay DriveHogaboom AvenueI1-I8C2-C3B2C3-C4C3C4C2B5G3-H3G3Folliot Street H2Foreht CrescentFouracre WayFox PointFurbacher LaneGGilbert DriveGeorge StreetGateway DriveGilbank Drive B3C3F2D8E5D6C4-C5E1-E2Glass Drive B5-C5Gleave Court B5Glenview DriveGlorious Song LaneGold Medal GateC5G4C7-C8Golf Links Drive C5-D5Goulding Avenue H4Gower Drive G2Greenbriar CourtGreenlefe CourtGundy WayGurnett StreetGwilliam LaneHC5B5F3D4-D5F3Hackwood Crescent E5-F5Hadley Court F1Gowan Lane B2Forest Grove Court H1Fleury Street D3First Commerce Drive H3-H4Fielding DriveFields CourtFife RoadB2-B3G2E4-E5Falan Heights CrescentFalconwood HollowFalling Leaf CourtB3D6C2G3-G4Elyse CourtC4F1-F2D5-E6C5B8-C8C7H4E3C5G3D5B1C3H2-H3G3F1-F2D4-D5Duggan StreetDuncton Wood CrescentDunham CrescentDunning AvenueDurblee AvenueEEakins DriveEarl Stewart DriveEdward StreetEgan CrescentEdwin Pearson StreetEngelhard DriveEldon CrescentElderberry TrailEquestrian DriveEric T Smith WayEvelyn Buck LaneFFairway DriveDafoe Court H8Danbrook CourtDavidson RoadE6C5-C6Davina Circle C8-D8Deerhorn Crescent B4-C5Davis RoadDawlish AvenueDawson CrescentDeerglen TerraceC5-C6B7C2E4-E5DeGraaf Crescent F1Delattaye Avenue F3Delayne DriveDesjardins WayCrane Street G2Crawford Rose DriveCreek's Meadow LaneC2-C3C4Crockart Lane G1B3H3Crossing Bridge PlaceCrow's Nest GateE6-E7E5Cypress Court D2-D3DC5C4C4-C5B8E2-F2F1H4Devlin PlaceDinsmore TerraceDodie StreetDol TerraceDovercourt LaneDowney CircleDon Hillock DriveCliff Trail B1-C1Clifford Dalton DrG1Closs Square D2Clubine Court B2Clift Road E4-E5Cobb Street G2Collingwood Court F2-G2Collins CrescentCollis DriveC3F3Colyton Court E5-F5Community Centre Lane D3Conklin Crescent G3-H3Connaught AvenueConover AvenueD4F2-F4Constable Street H2Copland TrailCorbett CrescentCorner Ridge RoadCosford StreetCossar DriveC3C5B4-B5F2-G2C5Cottinghill WayCousins DriveF3D5Civobel Drive G7-H8Cousins Drive EastCovent CrescentCowie CourtCraiglee CourtCranberry LaneD5-E5B7B8C2B5-C5Cabot CourtCC3-D3Cady Court B4Calmar CrescentCameron AvenueCandac Valley DriveE2D5D6-D7Capreol Avenue H2-H3Carlyle CrescentCarriage WalkCaruso GardensCasemount StreetCasey CourtCashel CourtCatherine AvenueCedar CrescentCentre CrescentCentre StreetChadburn CrescentChampionship Circle PlB7E3-F3C6-D6F3C6-D6B6-B7D3D3E4D4-E4C2C7Carisbrooke Circle F6Child DriveChippingwood ManorChiswick CrescentB6-C6E2-F2B7Chouinard Way G2-H2Church StreetCivic Square GateD4E3-F3Chapman CourtCharing CrescentE4-F4B7Butler CourtButtonwood TrailD2D2B7-C7F2E2B1E2-F2A8-I8E8G2H2B6-C6E2E6-E7E6B7F3-G3C3G8-H8E3B7C5-D5F3C6E7D2-E2G1Burgon PlaceBurton Howard DrBirkshire DriveBlack CourtBlaydon LaneBloomington RoadBluegrass DriveBoland CourtBolsby CourtBriardale PlaceBridgenorth DriveBritton TrailBonnell CrescentBonny Meadows DriveBorealis AvenueBoulding DriveBovair TrailBowler StreetBrookeview DriveBrookland AvenueBrooks AvenueBrowning CourtBrush GroveBuchanan CrescentBuckle CrescentG1Bridgepointe CrtG4Awesome Again LaneF8G1H3C6C6F1C5-D5C2-C3F3C4E6-E7D4C3A8-B1D2-D3C3B3E8-F1F2-F3E6-E7B6B7-C7F2-F3B8Billingham HeightsBirch CourtE2D3BBabcock BoulevardBaber CrescentBadgerow WayBailey CrescentBaldwin RoadBallymore DriveBanbury CourtBanff DriveBarr CrescentBell DriveBenville CrescentBerczy StreetBigwin DriveBathurst StreetBatson DriveBaycroft LaneBayfair RoadBayview AvenueBaywell CrescentBeacon Hall DriveBeatty CrescentBeechbrooke WayBilbrough StreetBeau CourtG1F3C8C6G4-H5C6F4C3D5-D6B7D6E3F3C4C3E6C6B4D2B1-C1D2-E2B3-D3F2-G2C3D2-D3A8AAbbott AvenueAcademy DriveAdair DriveAdena Meadows WayAlbery CrescentAlder GroveAlgonquin CrescentAllaura BoulevardAllenvale DriveAlm CourtAmberhill WayAmes CrescentAnderson PlaceApril GardensArcherhill CourtArdill CrescentAshford CourtAshley PlaceAspen Leaf CourtAttridge DriveAurora Heights DriveAusman GateAutumn WayAvondale CrescentAnnonay GateAlex Brodie DriveH3Addison Hall CircleHamster CrescentG3Mike Boshevski Crt G3Warren McBride Crescent G2-H2D4Alex Gardner CircleG4Botelho CircleG4Butternut Ridge TrC7Cannon Valley CrtC6Cottonwood Hollow CrtC7Glensteeple TrailG4Kaleia AvenueD6Ken Sinclair CrescentD6Match Point CourtH2-H3Monarch Park GateE6Timberlane BoulevardC6Black Walnut CourtB4Dennis Reed CourtB5Kenneth Campbell CrtC5John Bradbury CourtB5Klees CrescentB5Matthew Lepper CrtSikura Circle I1Stubbs Lane G3Wallace Merchant Crt B5William Crossley Crt C5William Heath Crt C5Devins Drive C2-D3Maple Fields Circle C6C6-C7Pine Hill CrescentTecumseh DriveTemperance StreetC3-D3D4-D5Tara Hill CircleTeasdale CourtD2C5Valhalla CourtValley CrescentD3C3Valemount Way E2-F2VWoodhaven Avenue C5Sunset Vista Court C3Spruce StreetSpringfair AvenueSpringmaple ChaseC4C7-C8D2-D410 07/20/21 Update pressure district zones JS 11 09/23/22 Update pressure district zones PL Page 28 of 28