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Sewer Rate Quicklinks
 How do I calculate my sewer bill?
Who do I call with sewer questions?
When should I receive my sewer bill?
What are the sewer rates and are they same for all users?
What are the different types of commercial classes?
The Sewer System
Wastewater generated in the City of Chula Vista is collected and
sent to a treatment facility in Point Loma through the City’s
extensive sewer collection system. Chula Vista’s system includes
13 pump stations and over 400 miles of sewer pipe.
Sewer Service Charge
The sewer service charge was established by the City Council in
1962 to pay for the operation and maintenance of the sewer collection
system and sewage treatment. All residents connected to the City’s
sewer system pay the service charge.
Sewer Rates
 Cost of Service and Rate Study for Sewer Service (Report)
The City of Chula Vista has 3 user classes as follows:
Single-family Residential Rates
The single-family rate is based on winter water usage –
an industry standard. This type of rate structure generally reflects
the lowest amount of water consumption by all consumers. Readings
are taken from November through April, when most customers turn
off their sprinklers and irrigation is at its yearly low.
For single-family customers, the monthly charge will be based
on an average of their two lowest consecutive months within the
defined period with a 90% rate of return and will remain the same for one year.
Multi-Family Residential & Commercial Rates
Rates for Multi-family dwellings and commercial and industrial
users are based on meter size, water usage and strength of effluent
generated in order to comply with new state standards.
Definition of Commercial User Classifications
There are three classes of Commercial Users, based on strength
of sewage generated:
- High Strength (Greater than 500 mg / 1 SS)
- Medium Strength (200 through 499 mg / 1 SS)
- Low Strength (Less than 200 mg / 1 SS)
The strength of sewage is dependent on the level of Biological
Oxygen Demand (BOD) and Total Suspended Solids (SS) in the sewage.
Sewage with higher BOD and SS levels requires more treatment and
therefore has higher rates.
- The High Strength user category is defined as
commercial businesses that discharge high strength sewage. This
user class includes restaurants, large full service supermarkets,
and food processors (i.e., bakery, deli, and butcher). etc.
- Medium Strength users are defined as commercial
businesses that discharge medium strength wastewater, including
delis, bakeries, coffee and sandwich shops, bars, auto repair facilities
with wash racks, grocery stores, medical offices, photographers,
and laundry facilities.
- The Low Strength users category is defined as
commercial businesses including offices, retail stores and schools.
Sewer Rate Calculation Tables
When Should I Receive My Bill?
- Sweetwater Authority customers (Western Chula Vista) receive a bi-monthly bill from the City's Finance Department.
- Otay Water District Customers (Eastern Chula Vista) are billed monthly through the Otay Water District.
- Property Tax Bill customers (Southern Chula Vista) see a line item on their annual property tax bill.
Contact Us
Western Chula Vista |
Bi-Monthly Sweetwater Authority Customers |
Finance Department |
(619) 691-5117 |
Eastern Chula Vista |
Otay Water Customers |
Wastewater Engineering |
(619) 476-5380 |
Southern Chula Vista |
Property Tax Bill Customers |
Wastewater Engineering |
(619) 476-5380 |
For general information please call (619) 476-5380 or to contact
us by e-mail, click HERE .
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