Pioneer Canal and Laramie River by Tony Bergantino
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The Wyoming Water Development Commission
2007 Water System Survey Report

During the fall and winter of 2007, the Wyoming Water Development Commission (WWDC) conducted a survey of all known municipal and non-municipal community public water systems in the State of Wyoming. The response to this survey was excellent, collecting over 100 surveys. The WWDC is grateful for the cooperation of the entities that submitted information. In 2005, approximately 172 surveys public water system surveys were sent out. This time, with the help of a list of contacts from DEQ, 192 surveys were sent out to municipalities and to small water systems (such as subdivisions, manufactured home parks etc.) Additionally, this is the first year that the WWDC has offered an online version of survey for those entities that provided email addresses.

The results of this survey have been summarized in the following reports. All information contained in these reports was submitted by municipalities, special districts, utility companies, or homeowners associations. Data was checked or verified only if a conflict or obvious discrepancy was noted during the data entry process. Some entities responded with incomplete information, and others indicated that systems were so small that the questions on the survey did not apply. Therefore, some data may not appear for certain entities. Water rates, testing costs, and other information may have changed since the survey was completed. If more specific or more current data are necessary, users should contact individual systems.

The WWDC hopes these reports are of benefit to Wyoming communities, agencies and water users. If the information in these reports is inaccurate for your community, please send corrections to the WWDC as the database will be updated on a regular basis.

The 2007 Water System Survey Report consists of six separate reports, each of which is explained in detail within the following Key to Water System Survey Reports. This key identifies and defines the individual fields in the reports. Codes used in various fields are explained at the beginning of each report.

If you have any questions, comments or suggestions on this survey or future surveys, please contact Jon Wade of the Wyoming Water Development Commission, 6920 Yellowtail Rd., Cheyenne WY 82002 or call 307-777-7626.

View the entire report in PDF File Format (246 kb)

The PDF version requires Adobe Acrobat® Reader. If you do not already have this program on your computer, please visit Adobe's Website to download a free copy.


Report #1: Mailing List:
This Report contains the status, EPA's public water systems identification number, contact person, mailing address, county, and phone number for each entity. Entities that did not respond to the 2001/2002 survey may have incorrect contact information.

Report #2: System Data: System data refers to the source of the entity's water supply, storage, treatment, and volumes of water. The individual fields are defined as follows:

  • # of Wells: The number of wells used by an entity.
  • # of Springs: The number of springs used by an entity.
  • Type of Diversion: How the surface source is diverted. NA is used for entities with no source of surface water.
  • Surface Source: The surface source of an entity's water supply.
  • Other Sources: The name of other water systems or municipalities that provide the entity with water supply.
  • Total Max Cap:The total production capabilities of all water sources in the particular entity, expressed in gallons per minute (gpm).
  • Max Storage:The maximum values of water storage capacity, treated and untreated, in gallons.
  • Treatment:Methods that the water system currently uses on a regular basis to treat the water supply.
  • Percent Metered:An estimated percentage of water system taps that are metered.

Report #3: System Use:
This report contains information pertaining to water system usage, providing information on the total population served, amount of average use, and other factors that may affect water consumption levels. The individual fields are defined as follows:

  • Other Entities:Lists any other entities which are supplied water from the system.
  • Total Pop Served:The total population served by the water system.
  • # Taps I/O:The number of service connections within the boundaries of the entity. The number of service connections outside the entity boundaries.
  • Avg Daily Use:The daily water use averaged and reported in gallons per capita per day (gpcpd).
  • Peak Daily Use:The maximum amount of water used per person per day reported in gallons per capita per day (gpcpd).
  • Avg Day Use:The total gallons of water used by the water system on an average day in gallons per day (gpd).
  • Peak Day Use:The maximum gallons of water used by the system in a 24 hour period in gallons per day (gpd).
  • Total Annual Use:The total amount of water used by the water system in one year in million gallons (mg).
  • Sell Bulk Water:Yes or No, if the entity sells bulk water on a regular basis.
  • Loss by Leakage:The percentage of total water used by the system lost through leakage. Most answers are approximations. Values given that were less than 1% are displayed as 1%.
  • Other Conditions:Any other condition that may affect the amount of water used by a system.

Report #4: Billing Rates:
The Billing Rates Report consists of billing information for each entity. The individual fields are defined as follows:

  • Last Entry Date:The last date a survey from an entity was received and entered.
  • EPA PWS ID#:The public water system identification number as identified by the Environmental Protection Agency.
  • Median Income:This value reflects the median income for households in the area. Data were collected from the 1990 census and reported by the Rural Development Department of the USDA in Casper, WY.
  • Bill by Meter:Yes or No, if the entity uses meters to determine the amount a water purchaser pays.
  • Avg Utility Bill:The entity's estimate of the average residential monthly utility bill. Utilities may include water, sewer, trash, and more.
  • Avg. Water Bill:The entity's estimate of the average residential water bill.
  • Tap Size:The size of the household tap in inches. Most vary from 3/4" to 1".
  • Tap Fee House:The dollar amount a person pays to connect his or her home to an entity's water supply.
  • House Base Rate:The gallon amount the household can use for the base rate. Many entities allow a certain gallon amount to be used before they charge extra. Others charge a base rate for service and charge an additional amount for all gallons used.
  • House Base Rate $:The dollar amount the entity charges as a base rate. Additional water use above the base rate may increase the total water bill.
  • Rate/Addt'l 1000:The dollar amount per thousand gallons a homeowner must pay after using the specified monthly amount.

Report #5 : Fiscal Data: This report consists of the entity's budget and includes the primary breakdown of the annual budget. Details of funding capabilities and liabilities are also covered in this report. The individual fields are defined below:

  • Annual Budget:The total annual operating budget.
  • Maintenance:The annual dollar amount allocated to maintain and repair damage to the water system.
  • Water Quality:The dollar amount of the annual budget that is allocated to meet water quality testing requirements.
  • Sinking Fund:The dollar amount of the annual budget that is allocated to a sinking fund. If the value is zero the entity does not regularly contribute to a sinking fund.
  • System Self Supp:Yes or No, if the revenues generated by billing fully cover the system operating costs.
  • Other Funding:Other organizations or areas of funding that are utilized by the entity to support system construction, repairs or maintenance.
  • Existing Debt:The dollar amount currently owed for water system improvements. If the value is zero, no money is owed on the presently operating water system.
  • Date Debt Retired:The year in which the entity will pay off acquired debt.

Report #6: Wellhead Protection / Conservation Measures: The Wellhead Protection and Conservation Measures Report is designed to give additional information on wells located in an entity and the conservation practices in place. The individual fields are defined below:

  • # of Wells:The total number of wells located in an entity.
  • Well Depth:The minimum and maximum value of the depth of all wells located in an entity, given in two separate fields.
  • Wellhead Prot:Yes or No, if the entity presently has a wellhead or source water protection plan in place.
  • Contact Person:The person in charge of the entities wellhead protection program.
  • Conservation:Programs supported by the entity to reduce water consumption and increase public awareness about water conservation.
  • Cons. Effective:Yes or No, if the entity has noticed a decrease in water use due to conservation practices.
  • % Reduction:Estimated percentage decrease in water use due to conservation practices.

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