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HomeMy WebLinkAboutCouncil Presentation - 2023 Drought Preparedness Plan Adoption2023 Drought Preparedness Plan Adoption Jing Luo, PhD, PE Director of Marana Water Department 5/16/2023 Why? •Arizona is in the midst of a prolonged drought that has various impacts on our water supply and economy. •In 2021, the first-ever Colorado River Tier 1 Shortage was declared •IN 2023, we are in Tier 2a shortage •ADWR requires all water providers to maintain a drought preparedness plan (DPP) •Our existing DPP was adopted in 2007 (Resolution No. 2007-177) •Water conservation and drought preparedness are not only necessary but critical to secure the Town’s water future •This effort is to bring Marana’s DPP in line with other water providers in Southern AZ2 Key Components of Marana’s DPP 1.Council Adoption (Resolution No. 2007-177) 2.Stages of advancing drought (Four) 3.Indicators for each stage (Four) 4.Triggered indicators determine stage (Two of Four) 5.Consistency with other providers (WaterCASA) 6.Voluntary compulsory (Stage 1,2 Stage 3,4) 7.Tied to Code (Town Code14-7-4 Emergency Water Conservation Response) 3 8.Drought management team 9.Process for declarations & communications Remains the same Revised New    Comparison of Indicators, Triggers, Stage Assessment Stage 2007 (any two of four local indicators) 2023 (either of two indicators –one local, one regional) Stage One (Low) •Arizona Drought Monitor Precip. 70-90% •Arizona Drought Monitor = D-2 •Groundwater Level Decline 1.0’ –2.4’ •Over 45 consecutive days of 100 degrees •Groundwater Level Decline of 1.0’ -2.0’ •Lake Mead Elevation predicted for January: 1,090 -1,075 feet (Tier 1) Stage Two (Moderate) •Arizona Drought Monitor Precip. 50-70% •Arizona Drought Monitor = D-3 •Groundwater Level Decline 2.5’ –3.9’ •Over 60 consecutive days of 100 degrees •Groundwater Level Decline of >2.0’ -3.0’ •Lake Mead Elevation predicted for January: 1,075 -1,045 feet (Tier 2a) Stage Three (High) •Arizona Drought Monitor Precip. 25-50% •Arizona Drought Monitor = D-4 •Groundwater Level Decline 4.0’ –4.9’ •Over 75 consecutive days of 100 degrees •Groundwater Level Decline of >3.0’ -4.0’ •Lake Mead Elevation predicted for January: 1,045 -1,025 feet (Tier 2b) Stage Four (Extreme) •Arizona Drought Monitor Precip. >25% •Arizona Drought Monitor = D-4 •Groundwater Level Decline >5.0’ •Over 90 consecutive days of 100 degrees •Groundwater Level Decline of >4.0’ •Lake Mead Elevation predicted for January: <1,025 feet (Tier 3) 4 5 Stage 1 Triggers DMT Town Manager Council Implement: DMT Stage 2 Triggers DMT Town Manager Council Implement: DMT Stage 3 Triggers DMT Town Manager Council 14-7-4 Emergency Water Conservation Response… Implement: DMT Stage 4 Triggers DMT Town Manager Council 14-7-4 Emergency Water Conservation Response… Implement: DMT 2023 DPP: Stage Designation and Declaration Process 6 Questions 2023 DPP: Stage Response Measures Response Measure Stage 1 Stage 2 Stage 3 Stage 4 Actions Taken By TownReduce water consumption on Town properties by a targeted percentage rate.√+++ Activate a Drought Management Team comprised of multiple Town departments.√√++ Educate Town staff on indoor/outdoor water saving techniques.√√√√ Conduct water audits for Town facilities/departments (if not already completed).√√√√ Limit use of splash pads.√+x Limit washing of fleet vehicles.√+x Institute drought surcharge.√+ Limit hydrant flushing (for non-water quality issues)√+ Limit use of water for fire training & fire hydrant uses (except those for public safety).√+ Increased enforcement of existing water conservation ordinances (water waste fines, etc.).√√ Deny new water service agreements for new construction. Reevaluate water service area policy.√√ Develop arrangements for additional alternative/back up water supplies should they become necessary.√7 √ Apply Measure + Strengthen Measure X Use Restriction 2023 DPP: Stage Response Measures 8 Response Measure Stage 1 Stage 2 Stage 3 Stage 4 Actions Taken ForPublic EngagementOffer rebates for water efficient fixtures; implement conservation incentive programs.√√√√ Implement public information and awareness campaign.++++ Promote conservation practices and efficiency measures. Include water saving tips in bill inserts.√√++ Implement industry green measures for hotels and restaurants.√+++ Encouraged Required Actions Requested/ Required of CustomersRestrict use of misting systems, spraying of impervious surfaces, etc.√+x x Restrict potable water use for construction.√+x x Restrict access for commercial water haulers.√+x x Limit landscape irrigation.√+++ Limit installation of new sod and/or other landscaping. Limit overseeing.√+x x Limit use of ornamental fountains and/or filling pools.√+x x √ Apply Measure + Strengthen Measure X Use Restriction