Wastewater Billing

The pipes, pumps and treatment plants SD1 maintains make it possible for you to flush and drain wastewater from your home. SD1 cleans wastewater before it is released safely back into the environment. The sanitary sewer fee you pay supports these important services. 

Residential Rates for Fiscal Year 2020

In 2019, SD1 implemented a base rate billing structure for all residential sanitary sewer customers. 

SD1 has more than 1,600 miles of wastewater pipe, 135 pump stations and 3 major treatment plants in Northern Kentucky, and our experts work around the clock, 365 days a year to ensure the system is running smoothly in any weather condition. Whether a customer uses one gallon of water or 1,000 gallons, SD1 still has to operate and maintain our system. The majority of those costs do not change based on how much water our customers use.

Under the base-rate system, every residential customer is charged a fixed operating fee of $16 per month, which includes 2 hundred cubic feet (HCF) (1,496 gallons) of wastewater treatment and an environmental surcharge of $5 per month, which helps fund SD1’s federal Clean Water Act requirement to mitigate Northern Kentucky’s sewer overflows by the year 2040.

Wastewater treatment beyond the minimum 2 HCF is charged an additional variable surcharge of $7.25 per HCF.

The Winter Usage Factor

The variable surcharge is based on a winter “usage factor,” which is used to ensure that outdoor activities such as car washing and lawn watering, which do not send water to SD1’s sanitary sewer system, are not included in your SD1 bill. The usage factor is calculated annually based on how much water you use during the winter months. SD1 gets this information from the meter readings taken by area water providers during the months listed below:

Water Provider Meter Reading Dates for Winter Usage Factor
Northern Kentucky Water District  Nov. 1 - April 30
Florence Water District  Jan. 1 - April 30
Boone County Water District  Jan. 1 - April 30

Choosing to conserve water during the winter months may reduce your usage factor and lower you bill. Learn more about water conservation.

The base rate, applicable variable rate and environmental surcharge make up your residential sanitary sewer bill. The average monthly charge is $50.00.

SD1 rates and fees.  

Non-Residential Rates for Fiscal Year 2020

Non-residential customers are billed year-round based on their actual water usage because their water consumption can fluctuate depending on a variety of factors, such as production schedule. 

A special meter program is available to non-residential customers. A special meter monitors any water used that does not flow directly into the sanitary sewer system. If non-residential customers enroll in this program, they may apply once a year for a refund for their special meter water usage. 

Prior to purchasing and installing a special meter, customers should read and understand the program regulations stated in section 403 of SD1's Rules and Regulations.

SD1 rates and fees.

Learn more about SD1's billing methodology in section 401 of SD1's Rules and Regulations.

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