Water restrictions: Casper area asked to limit irrigation to two days per week - Casper, WY Oil City News
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Water restrictions: Casper area asked to limit irrigation to two days per week

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CASPER, Wyo. — The City of Casper announced on Wednesday that areas served by the Central Wyoming Regional Water System are now being asked to limit irrigation to two days per week.

This request from the CW Regional Water System is in response to a shortage of ferric chloride used to treat water. The shortage is due to an equipment failure at a major manufacturing plant where the CW Regional Water System gets its supply of the chemical from.

The City of Casper says that in addition to requesting that people limit irrigation to two days per week, the city will be reducing irrigation at parks and other properties.

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“The request does not apply to irrigation systems on well or raw water,” the city says. 

City facilities which rely on wells or “raw” water for irrigation include:

  • Fort Caspar
  • Paradise Valley Park
  • Casper Municipal Golf Course
  • Crossroads Park (ballfields and Adventure Playground)
  • Mike Lansing Field
  • Ford Wyoming Center
  • the Skeet Range
  • the Air Modelers Facility
  • Wells Park
  • The North Casper Athletic Complex (soccer, softball, & baseball fields)
  • The Field of Dreams Baseball Complex

Ferric chloride is used “to treat an additional 18 million gallons of water per day needed to meet the water demand from irrigating lawns during the summer months,” the announcement states.

The CW Regional Water System expects that the chemical supply disruption will continue through mid-August.

“The chemical in short supply is used to treat the surface water drawn from the North Platte River,” the announcement says. “The Central Wyoming Regional Water System has two sources of water — groundwater and the North Platte River. During the summer months, 70% of the water produced is drawn from the North Platte River with the remaining 30% provided by the ground water source. Groundwater is pumped from the North Platte River alluvial aquifer via 29 wells.”

The city provided the following water conservation practices for people to consider:

  • Water no more than two times per week.
  • Water lawns and gardens during cooler hours. Refrain from watering from 10 a.m. to 5 pm. Watering during cooler hours means that you will lose less water to evaporation and more of it will go to the plants.
  • Avoid watering during windy conditions. 
  • Repair leaking sprinkler systems.
  • For trees, water with a hose and move the hose slowly around the trunk.  New trees should be watered 2-3 times per week and established trees watered 2-3 times per month.  For more information, see this PDF guide on tree and shrub care during a drought.  
  • Don’t allow water to pool or run along gutters or alleyways
  • Use a hose nozzle with an automatic shut-off when washing vehicles
  • Use a broom rather than water to clean hard surfaces such as sidewalks and driveways

Customers of the Central Wyoming Regional Water System include:

  • City of Casper
  • Mile‐Hi Improvement District
  • Salt Creek JPB (Midwest & Edgerton)
  • Wardwell Water & Sewer District (Wardwell & Bar Nunn)
  • Pioneer Water & Sewer District
  • Poison Spider Improvement District
  • 33 Mile Road Improvement & Service District
  • Sandy Lake Estate Improvement District
  • Lakeview Improvement & Service District