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customer care

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June 27, 2022 14:09PM
June 27, 2022 14:09PM
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customer care

Residential water rates

IRWD uses a budget-based rate structure to calculate your monthly bill. Each customer is assigned a monthly water budget and your water use rates will depend upon whether or not you stay within the monthly budget. Customers who conserve water get our lowest rates based on our actual costs to provide the service to you. Customers who waste water get higher rates based on our need to purchase additional sources of water from our most expensive source - imported water from the Metropolitan Water District of Southern California.

To use a rate calculator to estimate your bill and learn how saving water helps keep your rates low, please click here.

How do budget-based rates work? See this resource guide.

View complete rates and charges here.

What is on your monthly bill?
  • Monthly indoor & outdoor water use charges based on your monthly water budget and actual water used.

  • Applicable water & sewer fixed service charges which are different than water use charges

  • Applicable pumping surcharge

  • Applicable credits and unpaid balances from the previous billing period

  • Applicable setup and shutoff reconnection fees

  • Your billing period is approximately 1 month but may vary depending upon when the meter is read. The billing period and number of days are printed on your bill.

  • Please see the FAQ below for specific information on each of these bill components
Understanding monthly residential water budget tiers

Tier 1: Low Volume

Up to 40% of monthly water budget


Water use within monthly budget

Tier 2: Base Rate

From 41% to 100% of monthly water budget

Tier 3: Inefficient

101% to 140% of monthly water budget


  Water use over
  monthly budget

Tier 4: Wasteful

141% and over of monthly water budget

 
  • Each residence is assigned a monthly water budget which is based on several things, including the number of residents in the home, the square footage of outdoor landscaped area and the weather. For more details and specific formulas for single family homes, condos and apartments, see the FAQ below.

  • Your monthly water budget is printed on your monthly bill and can vary each month

  • Residences are charged for water use based on percentgage of water use of the assigned total monthly water budget for the household. See the monthly water rate chart below.

  • Tier 1 and Tier 2 represents your total monthly water budget. Any water use charged at the Tier 2 or at Tier 1 Low Volume rate indicates that you have stayed within your water budget.

  • Water usage in Tier 3 Ineffiecient and Tier 4 Wasteful, indicate that you have gone over your monthly water budget and IRWD was required to purchase additional and more expensive sources of water.

 

Monthly water rates beginning Feb. 1, 2022
 

Tier

% of monthly water budget

Rates per CCF

(1 CCF = 748 gallons)

Tier 1 Low Volume

0 – 40%

$1.53

Tier 2 Base Rate

41 – 100%

$2.42

Tier 3 Inefficient

101 – 140%

$5.15

Tier 4 Wasteful

141+

$14.64

 

Sample bills:

Click here to view a sample bill.

 

Frequently asked questions: Understanding your bill - get more details
Your monthly water budget details+

  • Type of home: single family home, attached home (condo), or apartment

  • Outdoor landscape area

  • Number of residents living in the home

  • The weather

  • The number of days in a monthly billing cycle.  This can vary depending upon when your meter is read. The number of days will be printed on your bill.

Outdoor water budget and landscape area+

  • Your outdoor water budget is based on the square footage of irrigated landscaping and the amount of water necessary to maintain a healthy landscape that is composed of 60% warm season turf and 40% drought tolerant landscaping.

  • Outdoor square footage can vary for each residence.  When IRWD does not know your actual landscape square footage we use a default square footage as noted below. The square footage used to calculate your outdoor budget is printed on your bill.

  • You can request a variance if your outside landscape area differs from the amount printed on your bill.

  • Single family home default for outdoor: 1,300 square feet of landscape area

  • Attached home (condo) default for outdoor: 435 square feet of landscape area

  • Apartment: No landscape area (no variance available)

Indoor water budget and number of residents+

  • Your indoor water budget is based on the number of residents in your home.  You are assigned 50 gallons per person per day for your indoor water budget.

  • When IRWD does not know the actual number of people living in the home, we assign a default number of residents as noted below.

  • You can request a variance if the number of people living in the home differs from the default number. Variances must be renewed every year.

  • Single family home default number of residents: 4 people

  • Attached home (condo) default number of residents: 3 people

  • Apartment default number of residents: 2 people

How the weather impacts your monthly water budget+

  • Your outdoor landscape needs more or less water depending upon the weather.  For example, during the summer months plants need more water so you will have a slightly increased monthly water budget.  In the winter, your water budget will be reduced as you will need less water to maintain a healthy landscape.

  • IRWD uses weather monitoring stations situated throughout the service area to determine how to adjust your monthly water budget due to local weather conditions.

Technical formula used to calculate your monthly water budget+

How many days are in a billing cycle?+

  • The default billing cycle is 30 days, but may be more or less depending upon when your meter is read.

  • For billing cycles that are longer or shorter than 30 days, the fixed service charges and water conservation credit will be billed on a proportional number of days. So, you may see small differences in the fixed charges from billing period to billing period

Water fixed service charge+

  • There is a separate water fixed service charge that does not include the cost of water used by the customer.

  • The water fixed service charge pays for IRWD operations, maintenance and infrastructure costs.

  • This water fixed charge is based on your meter size which appears on your monthly bill. Most residential properties have a 5/8 x 3/4 inch meter and incur a fixed per month charge. For a full list of meter sizes and fixed charges click here.

  • The monthly water fixed service charge for water is based on a 30 day period.  Billing cycles that are longer or shorter than 30 days are billed on a proportional number of days. So, you may see small differences in the water fixed service charges from billing period to billing period.

What is a water conservation credit?+

  • The water conservation credit recognizes that low volume users don't fully use their reserved capacity in the system.

  • IRWD provides a two dollar water conservation credit to users who are underutilizing the system and effectively "leasing back" to the system for use by other customers.  This prevents the District from having to upsize infrastructure as quickly as capacity is exhausted.

  • Customers that remain in the Low Volume Tier (tier 1) for 9 out of 12 months for the previous calendar year will receive a two dollar water conservation credit for each month in the following year.

  • New customers must be with the District for a full calendar year before they can receive a water conservation credit.

  • The monthly water conservation credit is based on a 30 day period. Billing cycles that are longer or shorter than 30 days are billed on a proportional number of days. So, you may see small differences in the credit from billing period to billing period.

Sewer fixed service charge+

  • The sewer fixed service charge pays IRWD to operate and maintain the sewer system.

  • The monthly sewer fixed service charge is based on a 30-day period. Billing cycles that are longer or shorter than 30 days are billed on a proportional number of days. So, you may see small differences in the fixed charges from billing period to billing period.

  • New customers will be billed at $25.50 per month until the customer has established a full calendar year of water usage history.

  • Click here to see a chart itemizing the sewer fixed service charge.

Pumping surcharge for drinking (potable) and recycled water+

  • IRWD incurs additional pumping costs in order to provide service to customers who reside at higher elevations within the service area.

  • The pumping surcharge is based on the actual prevailing energy costs and varies depending upon the elevation of the area served.

  • If you live in an area affected by a pumping surcharge, it will be itemized on your bill.

  • Click on links to see pumping surcharge maps that indicate the pumping surcharge areas and associated charges for both drinking water and recycled water.

How to get a variance+

  • Variances are given for additional occupants, special medical needs and larger outdoor landscape areas, among other things.
  • IRWD encourages residential customers who feel they qualify to apply for a variance by completing a variance application.
  • All new customers receive a variance application with instructions. 
  • Variances are effective the date that the request is received by the District and are only good for a year. Customers must complete a variance renewal application every year. You will receive this renewal application in the mail on your one-year anniversary.

Setup fees for new accounts and shutoff reconnection fees+

  • A one-time setup fee for new accounts is $25.
  • The shutoff reconnection fees are: 
    • $70 during business hours (certain exceptions may apply)
    • $95 during nonbusiness hours