Aberdeen Bans Sump Pump Discharge into Sewer System

New rule takes effect April 15, 2026 to prevent groundwater overload

Apr. 9, 2026 at 12:05pm

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An abstract, impressionistic photograph of a residential street in soft focus, with warm pools of light and color representing the city's groundwater management challenges.Aberdeen's new sump pump discharge rules aim to reduce strain on the city's aging sewer system during wet weather events.Aberdeen Today

The City of Aberdeen Public Works Department is reminding business and homeowners that beginning April 15, 2026, ground water from sump pumps or any standing water is not allowed to be discharged into the city's sanitary sewer system. This new rule is aimed at preventing the sewer system from becoming overloaded with excess groundwater during wet seasons.

Why it matters

Aberdeen's sewer infrastructure has struggled to handle heavy rains and snowmelt in recent years, leading to backups and overflows. By prohibiting sump pump discharge, the city hopes to reduce the strain on the sanitary sewer system and avoid costly upgrades or environmental damage from sewer overflows.

The details

The new rule applies to all businesses and homeowners in Aberdeen. Residents will need to find alternative ways to divert groundwater, such as routing it to a dry well, a rain garden, or the storm sewer system. Violators could face fines or other penalties for non-compliance.

  • The new rule takes effect on April 15, 2026.

The players

City of Aberdeen Public Works Department

The municipal department responsible for managing Aberdeen's water, sewer, and stormwater infrastructure.

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What’s next

The city plans to launch an educational campaign in early 2026 to inform residents and businesses about the new sump pump discharge rules and provide guidance on compliance.

The takeaway

This new regulation is part of Aberdeen's broader efforts to modernize its aging water infrastructure and prepare for the impacts of climate change, which is leading to more extreme weather events and groundwater fluctuations in the region.