Watertown Residents Must Secure Seasonal Variance to Discharge Sump Pump into Sanitary Sewer
- Steve Jurrens

- 2m
- 2 min read

Northeast Radio SD News - Watertown, SD - As freezing temperatures arrive and the ground hardens, the City of Watertown is reminding residents that a valid seasonal sump pump variance is required to redirect clear water discharge into the sanitary sewer system. This annual requirement ensures the city's infrastructure is protected from unnecessary strain and helps prevent sewer backups.
The seasonal variance period runs from October 15 through March 15 and must be renewed each year—the annual fee for the variance $125, which includes a $25 non-refundable application fee.
Residents can apply for the variance online at www.watertownsd.us/variance or by calling the City at (605) 882-6244.
Inspection and Compliance
For properties without a prior inspection record, an official inspection is required before the variance can be approved. Once approved, the City's Finance Office will issue a bill for the $125 fee, payable within 30 days.
The City emphasizes the importance of compliance, noting that discharging clear water into the sanitary sewer without an approved variance is classified as a Class 2 Misdemeanor. Penalties for non-compliance may include fines up to $500 and up to 30 days in jail. Furthermore, each day of non-compliance is considered a separate offense.
Excess clear water in the sanitary sewer system significantly increases municipal treatment costs and raises the risk of system-wide sewer backups.
Cold-Weather Connection Advice
To minimize the time a property's sump pump is connected to the sanitary sewer, the City encourages residents to delay connecting for as long as possible.
The following tips can help residents extend the safe period for outdoor discharge:
· Delay Connection: Hold off connecting to the sanitary sewer until necessary due to freezing conditions.
· Create Slope: Lay your discharge hose on a slope, such as a board or a snowdrift, to help it drain during freezing weather. This practice can extend the time the pump can safely discharge outside without freezing up.
If residents determine they must connect their sump pump to the sanitary sewer, they are reminded that a signed and approved seasonal variance is mandatory.



