PFAS contamination at French Island wells
Summary
La Crosse's new state discharge permit took effect October 1 with stricter limits, including PFAS monitoring mentioned 105 times in the permit. The plant's biosolids tested at 0.0843 parts per billion against a 20 ppb limit — well under, unlike some neighboring communities.
At a glance
- Total mentions
- 2
- Last 30 days
- 1
Discussed at 1 meeting in the last 60 days; most recently Oct 12, 2026.
Impact analysis
Stricter limits mean more sampling, chemicals and overtime — though the green steel trial is cutting ferric chloride use by a third.
Everyone who drinks water or uses the river — tighter treatment protects water quality.
Mentions & discussions (3)
Board of Public Works - Oct 12, 2026
La Crosse's new state discharge permit took effect October 1 with stricter limits, including PFAS monitoring mentioned 105 times in the permit. The plant's biosolids tested at 0.0843 parts per billion against a 20 ppb limit — well under, unlike some neighboring communities.
La Crosse still fighting over French Island
La Crosse still fighting over French Island WIZM 92.3FM 106.7FM 1410AM
Council Planning Meeting - Mar 10, 2026
PFOS contamination forced wells 23, 24, and 26 offline — they're now cut, capped, and disconnected. The city is also planning its first full water treatment facility as new contaminant rules kick in.
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