#12 - comp plan - trends & implications

21
Direct Demands Trends & Implications

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Page 1: #12 - Comp Plan - Trends & Implications

Direct Demands

Trends & Implications

Page 2: #12 - Comp Plan - Trends & Implications

Topics

Population

Land Use

Drainage

Transportation

Page 3: #12 - Comp Plan - Trends & Implications

Review Of Current ChapterFocuses on projected growth in

14%24%41%Change

168,300148,000119,783Total

201020001990

19%32%58%Change

60,50050,75038,553Total

201020001990Housing

Population

Page 6: #12 - Comp Plan - Trends & Implications

Implications

1.3% average annual increase in development regulation

Growth management remains an important and vital opportunity to influence water management

Page 7: #12 - Comp Plan - Trends & Implications

Expectations for Management

Steady increase in demand for recreation and wildlife oriented uses

Page 8: #12 - Comp Plan - Trends & Implications

Land Use

Current PlanProvides general statisticsPopulation forecasts were off -24%Describes general demands for water & related

resources (No numbers)

Page 9: #12 - Comp Plan - Trends & Implications

Trends & Projected Changes

Page 10: #12 - Comp Plan - Trends & Implications

Implications

7,500 acre decrease in agricultural & vacant land

45 to 50 acres per year average 2010 – 2020

110 to 130 permit applications per year

7,800 acre increase in impervious surface mostly in headwaters

Page 11: #12 - Comp Plan - Trends & Implications

Expectations for Management

Turbidity and TSS problems occurring elsewhere in watershed

Gradual increases in demand across programs

Page 12: #12 - Comp Plan - Trends & Implications

DrainageCurrent Plan

Describes nature of drainage demandDescribes drainage system as ‘Generally

Acceptable Condition’Differentiated ditches based on their role

(Ag, Stormwater, Collector, Trunk)Set standards for each role

ConditionMaintenance

Page 13: #12 - Comp Plan - Trends & Implications
Page 14: #12 - Comp Plan - Trends & Implications

Trends

17% decrease in drainage dependent/ sensitive lands

642 acres

Page 15: #12 - Comp Plan - Trends & Implications

Implications from Changes in Demand for Drainage

Overall Demand for drainage decreases

Page 16: #12 - Comp Plan - Trends & Implications

Expectations for Drainage ManagementChanges in maintenance standards in much

of the watershed

Need to inspect ‘critical reaches’ to ensure drainage on remaining lands (annually?)

Use of public ditches for water storage likely to increase in short term

Page 17: #12 - Comp Plan - Trends & Implications

TransportationCurrent Plan

General description of road system

Page 18: #12 - Comp Plan - Trends & Implications

Trends

Traffic volumes expected to increase

Page 19: #12 - Comp Plan - Trends & Implications

Implications

More aggressive winter maintenance (salt & sand = Chlorides & TSS)

Page 20: #12 - Comp Plan - Trends & Implications

Expectations

Winter maintenance (Use of salt)

Page 21: #12 - Comp Plan - Trends & Implications

Questions?

Thank You

Coon Creek Watershed District