Clark County Planning Commission ~CLARK November · • 2015-Discovery Clean Water Alliance . Study Area Overview • Size - so+ mi2 o 82 Sewer Basins • Population Served - 100,000

Clark County Planning Commission November 15, 2018

~CLARK REGIONAl. WASTEWATER DISTRICT

. - - - ~ . - - - .. ,_ .. -

Agenda

• Goals & Objectives • District History & Context • Study Area Overview-• Gro-wth Projections • Infrastructure Planning • Financial Analysis • Suntntary & Conclusions

. .

Goals & Objectives Strategic Infrastructure Planning & Investment for the present and reasonably foreseeable future needs of the community.

• Plan Goals o Continued Regulatory

Compliance o Support County and City

Comprehensive Plan Goals o Provide a framework for

future Capital Investment ® 2Q Comprehensive Growth ;: l Management Plan

.l YEAR 2015-2035

Goals & Objectives

• Policy Objectives o Provide Affordable & Reliable

Service o Protect Public Health & the

Environment o Support Economic Development

District History & Context • Title 57 RCW "Water-Sewer District" • Founded 1958

o Clark County Sewer District No.1 o Hazel Dell Sewer District o Clark Regional Wastewater District

• 2014- Ridgefield Collection System Transfer • 2015- Discovery Clean Water Alliance

Study Area Overview • Size - so+ mi2

o 82 Sewer Basins

• Population Served - 100,000

o 43,000+ ERU • Average Daily Flow- 8.3 mgd

'ERU' - Equivalent Residential Unit: the volume of flow from a single family household

'mgd' - millions of gallons per day

F===================~

Clark County Sewer Service Areas

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Study Area Overview • Service Area

[J Urban Growth Areas • City of Vancouver- 39 mi2

• City of Ridgefield - 9 mi2

• City of Battle Ground - 1.4 mi2

[J Existing Areas Outside of the UGA (40.370 CC Unified Dev. Code) • Rural Centers

• Meadow Glade & Hockinson • Individual Parcels

• 4 schools, 3 public facilities, 7 private

Study Area Overview • Future Needs- Areas of Study (RCW 57.16.010(2))

o Establish feasibility of service and availability of capacity: • Rural Industrial Land Bank • Freight Rail Dependent Uses Overlay Area • Allen Creek West - Ridgefield Annexation

o Local government with jurisdiction must approve District service, consistent with: • RCW 57.16.010(7) • RCW 36.70A.110

Study Area Overvie

( District Population f

Density I 2016

J (ERU/Acre)

ERL/$/Am·

J L"' S0.5

0 5 · 1.0

CJ J.o.J.s - 1.5 · 2.0

. 2.0 · 2.5

- 2.5 · 3.0 . 3.0 ·3.5 l-~ . 3.5·4.0

- >J.II ' '>-

.. . - - - - - - .... - -· -

Growth Projections (per county camp Plan)

\

Projected Growth (ERU)

2016-2036

New ERU- 22,opo+ Populntiou Growth iu ERU~

- S25

- 50

- 100

- 150

- 250

- 500

- 1000

- 2000

}

\

Growth Projections 2036 Average Daily Flow- 16 mgd (8o,ooo+ ERU)

2036 Density (ERU/Acre)

20.36 ERUs I Arrr

0 <tJ5

O o5 -J.o 0 1.0-15

15 - 2.0

. 2.0-25

- 25-3.0

. 3.0-35

. 3.5-4.0

- >4

Infrastructure Planning Schematic Planning for System Expansion •

1 Whlpplo

Clftlc W~t S. Fig. l 2·2QJ A

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: l • r~ cUJd &s -· 1 .-en . 1.200 ,.,..

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Vicinity M•p

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0 -

Mlnl ..a.sln 2-1t105 Whipple Creek EM t Comprehen sive GenerW Sewer ptan Cla rtc Regional Wu tewaler Dlttrlct fttol.o~2011 2-1605 A

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Infrastructure Planning • Capacity Assessment

o 25-yT Design Storm (Dec 7-8, 2015)

o Calibrated Hydraulic Model

• 2036 System Capacity o 99% gravity sewers o 87 % of pump stations

Infrastructure Planning

2036 CIP ln~tmmt

• • <S 1M c-' • St-S2M L • 52-SSM

- • S5 - S10M

- • >S10M

o Capital Improvement Projects: $102 M • 6-yr program: $37M

Infrastructure Planning

2036 R&R Investment . SS.SM

S.S-lM

...__. 51-2M - 52-SM

o Restoration & Replacement: $45 M • 6-yr Program: $10 M

)

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Financial Analysis • - -- - -·· •• ••• ~- ~ .... !!' -· -·- ....

• Capital projections are scale appropriate • Stable and competitive rates and charges

o Rates - Modest, inflationary adjustments o Charges - Incremental adjustments over time

$70.00

Single-Family Residence 2018 Monthly Sewer Bill For Typical Family

(Includes 8 ccf Sewer Usage & Utility Tax)

$60.00 +----~kS-1-~o.lS!L~~-

$50.00 +-$,.--38- .0-0 --(.--,H~­$40.00

$30.00

$20.00

$10.00

$0.00 -+------..,-

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Summary & Conclusions • Plan Goals

o Regulatory Compliance • General Comprehensive Plan -

Chapter 57.16 RCW • General Sewer Plan - Chapter

90.48 RCW & Chapter 173-240 WAC

o Supports County and City Comprehensive Plan Achievement • Capacity Available for so+ %

increase in flow o Provide a framework for future

Capital Investment • $147M future CIP and R&R

investment

City of Battle Ground, Washington

Comprehensive Plan 20 15-2035

Adopted by City Council june 27, 2016

Ord. No. 16-05

ElloctMo Data )<Ay 27. 2016

Summary & Conclusions

• Policy Objectives o Economic Development

· Capacity planned for all Employment Lands • Flow allowances for Wet Industrial

o Affordable & Reliable Service • Competitive rates & charges, locally and regionally • Maintain District Levels of Service

o Protecting Public Health & Environment • $45 M R&R Projects • $102 M Capital Projects

• •

Questions?

Sha'Wn Moore, P .E. Assistant Manager Clark Regional Wastewater District (360) 993-8849 [email protected]

For more information and to view the GSP, go to https://www.crwwd.com/projectsfgensewer.php