Castle Pines Metropolitan District
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    • Free Irrigation Analysis Signup
    • Irrigation Efficiency Path
      • Free Irrigation Efficiency Analysis Signup
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      • Irrigation Efficiency Analysis FAQ
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      • Irrigation Schedule
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      • How Much Water Should I Use?
    • BSI Backflow Testing Required
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Contact us
Castle Pines Metropolitan District
  • Water
    • Free Irrigation Analysis Signup
    • Irrigation Efficiency Path
      • Free Irrigation Efficiency Analysis Signup
      • Get Your Irrigation Efficiency Report
      • Schedule Irrigation Repairs
      • Submit Rebate
      • Irrigation Efficiency Analysis FAQ
    • Water Survey Results
    • Water Master Plan
    • Rates
    • Wastewater
    • Stormwater
    • Landscape Education
      • Irrigation Schedule
      • Water Efficiency Tips
      • Water-wise Landscaping
      • Native Grasses
      • Turf Alternatives
      • How Much Water Should I Use?
    • BSI Backflow Testing Required
  • Roads
    • 2022 Roads Project Plans
    • Snow Removal
    • Rights-of-Way
    • Driving Tips
    • Roads FAQ
  • Budget
    • Annual Budgets
    • Financial Statements
  • Meetings-Events
    • Community Meetings & Events
    • Board Meetings
    • Calendar
  • Resources
    • About CPMD
    • View / Pay Bill
    • Construction Application
    • Board Information
      • Board of Directors & Staff
      • Transparency
      • Financial Information / Budget
      • Board Agendas
      • Board Meeting Minutes
    • Elections
    • Employment Opportunities
    • Metro District Map
    • Archive Information
      • CPMD Service Plan
  • FAQ
  • News
    • Sign Up to Receive News
Contact us
  • Water
    • Free Irrigation Analysis Signup
    • Irrigation Efficiency Path
      • Free Irrigation Efficiency Analysis Signup
      • Get Your Irrigation Efficiency Report
      • Schedule Irrigation Repairs
      • Submit Rebate
      • Irrigation Efficiency Analysis FAQ
    • Water Survey Results
    • Water Master Plan
    • Rates
    • Wastewater
    • Stormwater
    • Landscape Education
      • Irrigation Schedule
      • Water Efficiency Tips
      • Water-wise Landscaping
      • Native Grasses
      • Turf Alternatives
      • How Much Water Should I Use?
    • BSI Backflow Testing Required
  • Roads
    • 2022 Roads Project Plans
    • Snow Removal
    • Rights-of-Way
    • Driving Tips
    • Roads FAQ
  • Budget
    • Annual Budgets
    • Financial Statements
  • Meetings-Events
    • Community Meetings & Events
    • Board Meetings
    • Calendar
  • Resources
    • About CPMD
    • View / Pay Bill
    • Construction Application
    • Board Information
      • Board of Directors & Staff
      • Transparency
      • Financial Information / Budget
      • Board Agendas
      • Board Meeting Minutes
    • Elections
    • Employment Opportunities
    • Metro District Map
    • Archive Information
      • CPMD Service Plan
  • FAQ
  • News
    • Sign Up to Receive News
  • Water
    • Free Irrigation Analysis Signup
    • Irrigation Efficiency Path
      • Free Irrigation Efficiency Analysis Signup
      • Get Your Irrigation Efficiency Report
      • Schedule Irrigation Repairs
      • Submit Rebate
      • Irrigation Efficiency Analysis FAQ
    • Water Survey Results
    • Water Master Plan
    • Rates
    • Wastewater
    • Stormwater
    • Landscape Education
      • Irrigation Schedule
      • Water Efficiency Tips
      • Water-wise Landscaping
      • Native Grasses
      • Turf Alternatives
      • How Much Water Should I Use?
    • BSI Backflow Testing Required
  • Roads
    • 2022 Roads Project Plans
    • Snow Removal
    • Rights-of-Way
    • Driving Tips
    • Roads FAQ
  • Budget
    • Annual Budgets
    • Financial Statements
  • Meetings-Events
    • Community Meetings & Events
    • Board Meetings
    • Calendar
  • Resources
    • About CPMD
    • View / Pay Bill
    • Construction Application
    • Board Information
      • Board of Directors & Staff
      • Transparency
      • Financial Information / Budget
      • Board Agendas
      • Board Meeting Minutes
    • Elections
    • Employment Opportunities
    • Metro District Map
    • Archive Information
      • CPMD Service Plan
  • FAQ
  • News
    • Sign Up to Receive News

How Much Water Should I Use?

Home Water Water Efficiency How Much Water Should I Use?

Outdoor Water Use

Outdoor water use is for irrigation and is much more difficult to manage than indoor water use. There are many variables to consider when deciding how much water to use on landscapes. Variables include:

  • Plant – bluegrass turf, annual flowers, xeriscape shrubs (note Kentucky bluegrass is not recommended, see page on Turf Alternatives)
  • Soil – clay, sand, loam
  • Exposure – full sun, partial shade
  • Irrigation nozzle – rotor, spray, drip
  • Irrigation Requirement

Metro will attempt to simplify the variables above in order to help you determine how much water you should be applying to your landscape.

A run time is the amount of time to be entered on the irrigation controller for each zone or station. This run time changes each month from May through October and changes year to year. Wait to turn on your irrigation system until late May or early June because the longer plants wait for rain, the deeper their roots grow. The deeper roots grow the more drought-tolerant they become. There are many important maintenance techniques that should be implemented to ensure deep root growth and generally healthier plants.

Plant type – cool-season turf, warm-season turf, perennial, Xeriscape perennial, shrub, Xeriscape shrub, tree, Xeriscape tree, annual

  • Examples of cool-season turf are Kentucky bluegrass (see alternatives to Kentucky blue grass on the turf alternatives page), Tall fescue, Fine fescue,
  • Examples of warm-season turf are Blue grama, Buffalograss, Tufted hair grass, Bermudagrass
  • Examples of perennials are larkspur, Oriental poppy, roses
  • Examples of Xeriscape perennials are chocolate flower, penstemons, hyssop
  • Examples of shrubs are burning bush, euonymus, boxwood
  • Examples of Xeriscape shrubs are potentilla, apache plume, fernbush
  • Examples of trees are maple, ash, cottonwood
  • Examples of Xeriscape trees are Kentucky coffee tree, oak, pine
  • Examples of annuals are petunia, pansy, lobelia

Soil type – Clay, sand, loam

Clay soil is usually grayish in color and can be rubbed between two fingers to form a “ribbon.” Sand has larger particles and feels gritty. Loam is usually dark brown or black, has an earthy smell, and has some of clay and sand in it.

If you have clay soils decrease the number of minutes from the run time calculator and “cycle and soak” method of irrigating. Cycle and soak allows the water to infiltrate clay soils that have very small pore spaces which does not allow water to soak in rapidly. To add a cycle to your irrigation clock, simply add another start time. If you have sandy soils, which are unlikely in the Village, then add a minute or two to the run time.

Exposure type – full sun, partial sun, partial shade, full shade

It is important to watch the area in question at many times in a day to get a good idea of the amount of sun it receives throughout the whole day.

Irrigation nozzle type – rotor, spray, drip

Rotors are irrigation heads that go back and forth in a certain pattern. Spray nozzles have a fixed spray pattern and do not go back and forth. Drip nozzles are small emitters on a poly tube.

Irrigation Requirement – 500 to 10,000 square feet in 100 square feet increments

Irrigable land space is determined by calculating the area of the zone or station. Irrigable land space of a square or rectangle is calculated by taking the length multiplied by the width of the area. Irrigable land space of a triangular shaped bed or turfgrass area is half of the height through the middle of the triangle multiplied by the length of the base of the triangle. If the irrigable land space is shaped like circle, then multiply half the length across the circle by itself and then by 3.14.

The Irrigation Requirement is a combination of the local weather conditions. 

To schedule an irrigation audit or for more specific information on how to calculate the amount of water to apply to a landscape, please contact the District, 303.688.8330. The District can also help you program your irrigation controller.

 

Irrigation Efficiency
  • Irrigation Efficiency Path
    • 1. Free Irrigation Efficiency Analysis Signup
    • 2. Get Your Irrigation Efficiency Report
    • 3. Schedule Irrigation Repairs
    • 4. Submit Rebate
  • Frequently Asked Questions
Landscape Education
  • Irrigation Schedule
  • Water Efficiency Tips
  • Water-wise Landscaping
  • Native Grasses
  • Turf Alternatives
  • How Much Water Should I Use?
CASTLE PINES METROPOLITAN DISTRICT

5880 Country Club Drive
Castle Rock, CO 80108

303.688.8330

 Mon - Fri   8:00 am - 4:30 pm

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HELPFUL LINKS
Homeowners Association
Douglas County Government
Complimentary Metro Water Analysis

Whether you use a large amount or a minimal amount of water each month during irrigation season, a complimentary water analysis could help you conserve and/or find problems with your current watering. Please call the District at 303.688.8330 or click https://bit.ly/cpmdwater to schedule your free evaluation.

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