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Brown Deer adopts sewer compliance report and authorizes submission to Wisconsin DNR; staff outlines repairs and funding sources
Summary
The Village Board adopted the compliance maintenance annual report (SEMAR/CMAR) and resolution 26‑06 to submit it to the Wisconsin DNR; staff reported two recent sanitary‑sewer overflows, identified problem neighborhoods, and outlined upcoming pipe rehab, lateral repairs and a lift‑station replacement funded in part by MMSD EPIN dollars.
The Brown Deer Village Board voted to approve the village’s compliance maintenance annual report and adopt Resolution 26‑06 authorizing submission of the report to the Wisconsin Department of Natural Resources.
Public works staff summarized the sewer system: the village maintains about 55 miles of sanitary mains and reported an SSO (sanitary sewer overflow) in 2025 that will be recorded in the DNR filing. Staff said the August event was widespread and difficult to pinpoint due to region‑wide flooding, and an April event highlighted specific problem areas. Staff identified three recurring problem areas: Bradley Estates subdivision (draining to a manhole at Darnell and 61st), the Green subdivision (draining to 59th and Betty), and a northwest neighborhood that drains toward a lift station near 52nd and Glenn Brook. The lift station is reported to be at the end of its useful life and will need replacement.
Staff explained causes as excess inflow and infiltration (I&I) and described mitigation steps: lining public mains, replacing or rehabilitating pipes, and addressing private lateral repairs. Staff noted they have lined many public mains in problem neighborhoods and have lined roughly 75 private lateral pipes in the Green subdivision to date. For parts of the work on private laterals, staff said MMSD EPIN (private inflow/infiltration) funds are an available source. Staff estimated a lift‑station replacement could cost on the order of about $1 million, and said the sanitary‑pipe replacement work will be eligible for MMSD inflow/infiltration funding while the lift station replacement is the village’s responsibility.
Staff also warned the DNR grade could be affected but said the village has documented that recent SSOs were driven by extreme storm events; the DNR will expect the village to show a plan for reducing future SSOs. The board adopted the resolution by roll call.
Why it matters: The report documents system performance and frames near‑term capital needs that will appear in the village CIP; addressing I&I and replacing aging lift‑station infrastructure are critical to avoid basement backups and regulatory penalties.
Next steps: Staff will include the sewer projects in the July CIP discussion and return with proposed project scopes and budgets.
