Pollution in Hennepin County, Minnesota

Hennepin County contains 252 EPA-regulated facilities, 3 of which are currently flagged for significant noncompliance. The county also hosts 7 Superfund sites and 88 TRI chemical reporters. EPA has assessed $17.0M in lifetime penalties and TRI reporters disclosed roughly 157.1k lb of on-site releases. That facility count is well above the Minnesota state average of 26 per county.

Superfund7NPL sites
TRI Facilities88reporters
EPA Facilities252regulated
Sig. Violators3current SNC

Superfund sites

SiteCityStatus
Reilly Tar Chemical Corp St Louis Park PlantSt. Louis ParkConstruction complete
South Minneapolis Residential Soil ContaminationMinneapolisReady for anticipated reuse
Spring Park Municipal Well FieldSpring ParkListed on NPL
Southeast Hennepin Area Groundwater And VaporMinneapolisListed on NPL
General Mills Henkel CorpMinneapolisConstruction complete
Joslyn Manufacturing Supply CoBrooklyn CenterConstruction complete
Highway 100 And County Road 3 Groundwater PlumeEdina, St. Louis ParkListed on NPL

Largest releasers

FacilityCityOn-site (lb)Status
Consolidated Precision Products - MinneapolisBloomington42.6kCompliant
Upsher-Smith Laboratories, LlcMaple Grove28.7kCompliant
Sierra CorpMinnetonka13.6kCompliant
Filmtec CorpMinneapolis11.7kCompliant
Interplastic Corp - Minneapolis PlantMinneapolis10.4kCompliant
Boston Scientific ScimedMaple Grove7.2kCompliant
Medtronic ApvPlymouth6.5kCompliant
Polar Semiconductor LlcBloomington5.3kCompliant
Suez Wts Solutions Usa IncMinnetonka5.3kPenalties
Photo Control CorpNew Hope3.6kCompliant
MactacMinneapolis3.5kCompliant
Seagate Technology Llc - BloomingtonBloomington3.2kCompliant
Ceramic Industrial CoatingsOsseo3.0kCompliant
Safety Rail Co LlcSpring Park1.9kCompliant
Cima Labs IncEden Prairie1.5kCompliant
Coloplast ManufacturingMinneapolis1.3kCompliant
Owens Corning - Minneapolis PlantMinneapolis1.3kCompliant
Edco Products IncHopkins998Compliant
Avtec Finishing Systems Inc.New Hope765Compliant
Zalk Steel & Supply CoMinneapolis752Compliant
Graco Minnesota Inc - Koch CenterRogers704Compliant
Aggregate Industries Maple Grove Ready MixMaple Grove494Compliant
Niron Magnetics IncMinneapolis439Compliant
Omg Electronic Chemicals IncMaple Plain421Compliant
Northland Aluminum Products IncSaint Louis Park343Penalties
Cemstone Products - MinneapolisMinneapolis309Penalties
Hard Chrome IncMinneapolis209Compliant
Cemstone - DaytonDayton177Compliant
Lejeune Steel CompanyMinneapolis163Compliant
Aggregate Industries Inc -Mpls Ready MixMinneapolis159Compliant
Aacron IncPlymouth90Compliant
Sunburst Chemicals Inc.Minneapolis80Compliant
Caterpillar Paving Products IncorporatedBrooklyn Park76Compliant
Nico Products IncMinneapolis56Compliant
Lubrication Technologies IncorporatedGolden Valley55Compliant
MedivatorsPlymouth47Compliant
Flint Group LlcRogers42Compliant
Hawkins IncMinneapolis24Penalties
Clariant Bu MasterbatchesNew Hope10Compliant
Holaday Circuits, Inc.Minnetonka9Compliant
Graco IncorporatedMinneapolis8Compliant
Innovent LlcMinneapolis5Compliant
Graco-DaytonDayton5Compliant
Decimet Sales IncRogers4Compliant
Rust-Oleum - Brooklyn ParkBrooklyn Park4Compliant
General Dynamics Advanced Info SystemsBloomington3Compliant
Abelconn, A Celestica CompanyMaple Grove2Compliant

Significant violators

FacilityCityPenaltiesLast Inspected
Meyers PrintingMinneapolis$36.9k2025-09-11
Beltline Blvd And Mn-7 DevelopmentSaint Louis Park$0
Flame Metals Processing CorporationRogers$02024-04-18