As of October 2020, the Department of Environment, Great Lakes, and Energy has collected the following fish samples from the or nearby lakes. The fillets have been or will be analyzed for PFAS and other contaminants. The Michigan Department of Health and Human Services is evaluating the results for the "Eat Safe Fish" consumption advisories which are based on concentrations of mercury, PFOS, and other contaminants. Anglers should refer to the advice posted on the Michigan PFAS Action Response website and the Michigan Eat Safe Fish website. ND indicates that PFOS was not detected in the sample. An asterisk (*) indicates that the Pontiac Lake largemouth bass samples were analyzed as whole fish and not as fillets.

Collection PFOS (ppb) Water Body Location Latitude Longitude Species Year Range Huron River Huron River Pontiac Lake 42.6692 -83.461 Largemouth Bass* 2017 ND - 20.9 Huron River Proud Lake 42.56839 -83.52087 2019 2.7 - 21.8 Huron River Proud Lake 42.56839 -83.52087 Rock Bass 2019 0.7 - 19.2 Huron River Proud Lake 42.56839 -83.52087 Largemouth/Smallmouth Bass 2019 2.6 - 307 Huron River Kent Lake 42.52957 -83.64402 Black Crappie 2017 870 - 1378.2 Huron River Kent Lake 42.52957 -83.64402 Pumpkinseed 2019 18.6 - 184 Huron River Kent Lake 42.52957 -83.64402 Bluegill/Pumpkinseed 2020 pending Huron River Kent Lake 42.52957 -83.64402 Largemouth Bass 2017 1016 - 1998 Huron River Kent Lake 42.52957 -83.64402 Largemouth Bass 2019 167 - 441 Huron River Kent Lake 42.52957 -83.64402 Largemouth Bass 2020 pending Huron River Base Line Lake 42.42779 -83.89471 Bluegill 2018 56.3 - 162.4 Huron River Base Line Lake 42.42779 -83.89471 Bluegill 2020 pending Huron River Base Line Lake 42.42779 -83.89471 Rock Bass 2020 pending Huron River Base Line Lake 42.42779 -83.89471 Largemouth Bass 2018 73.2 - 366.3 Huron River Base Line Lake 42.42779 -83.89471 Largemouth Bass 2020 pending Huron River Portage Lake 42.42177 -83.91758 Largemouth Bass 2018 6.6 - 173.8 Huron River Barton Pond 42.31332 -83.78766 Lepomis sp. 2018 8.7 - 19.9 Huron River Argo Pond 42.29262 -83.74523 Rock Bass 2015 102.3 - 487.5 Huron River Argo Pond 42.29262 -83.74523 Rock Bass 2018 13.5 - 60.9 Huron River Argo Pond 42.29262 -83.74523 Rock Bass 2020 pending Huron River Argo Pond 42.29262 -83.74523 Bluegill 2018 ND - 23.6 Huron River Argo Pond 42.29262 -83.74523 Bluegill 2020 pending Huron River Argo Pond 42.29262 -83.74523 Largemouth/Smallmouth Bass 2018 20.6 - 64.7 Huron River Argo Pond 42.29262 -83.74523 Largemouth/Smallmouth Bass 2020 pending Huron River Belleville Lake 42.21447 -83.47022 Bluegill 2018 2.2 - 41.3 Huron River Belleville Lake 42.21447 -83.47022 Smallmouth Bass 2018 27.5 - 89 Continued on next page

Continued from previous page Collection PFOS (ppb) Water Body Location Latitude Longitude Species Year Range Huron River Ford Lake 42.21696 -83.58466 Largemouth/Smallmouth Bass 2020 pending Huron River Ford Lake 42.21696 -83.58466 Bluegill/Pumpkinseed 2020 pending Huron River Ford Lake 42.21696 -83.58466 Rock Bass 2020 pending Huron River Wayne County, Flat Rock 42.10459 -83.30521 2017 2 - 22.2 Huron River Wayne County, Flat Rock 42.10459 -83.30521 Black Crappie 2018 ND - 27.6 Huron River Wayne County, Flat Rock 42.10459 -83.30521 Largemouth Bass 2018 9.6 - 26.7 Huron River Wayne County, Flat Rock 42.10459 -83.30521 Largemouth Bass 2020 pending Huron River Wayne County, Flat Rock 42.10459 -83.30521 Bluegill 2018 7.7 - 24.7 Huron River Wayne County, Flat Rock 42.10459 -83.30521 Bluegill/Pumpkinseed 2020 pending Lake Erie Wayne County, Flat Rock 42.10459 -83.30521 Rainbow Trout (Steelhead) 2019 1.7 - 4.8 Pettibone Creek Pettibone Creek Milford Pond 42.59023 -83.60261 Bluegill 2018 ND - 4.8 Mann Creek Mann Creek Moraine Lake 42.55914 -83.7171 Black Crappie 2018 2.9 - 9.7 Mann Creek Moraine Lake 42.55914 -83.7171 Bluegill 2018 ND - 14.8 Mann Creek Moraine Lake 42.55914 -83.7171 Largemouth/Smallmouth Bass 2018 4.1 - 10.8 Davis Creek Sandy Bottom Lake n.e. of Whitmore Lake 42.45203 -83.71462 Bluegill/Pumpkinseed 2019 1.4 - 16.9 Sandy Bottom Lake n.e. of Whitmore Lake 42.45203 -83.71462 Largemouth Bass 2019 ND - 75.4 Ore Creek Woodland Lake Livingston County 42.55445 -83.78155 Bluegill/Pumpkinseed 2019 1.1 - 5.6 Woodland Lake Livingston County 42.55445 -83.78155 Largemouth Bass 2019 3.5 - 18.5 Ore Lake Livingston County 42.80951 -83.79536 Bluegill 2019 4.9 - 20 Horseshoe Creek Whitmore Lake Livingston County 42.4287 -83.75379 Lepomis sp. 2019 2 - 4.6 Hay Creek Bass Lake s.e. of Brighton 42.45425 -83.86102 Bluegill 2019 1.7 - 9.3 Bass Lake s.e. of Brighton 42.45425 -83.86102 Largemouth Bass 2019 ND - 14.4 Silver Lake Silver Lake w of Portage Lake 42.42113 -83.96666 Bluegill 2020 pending Regan Drain Washago Pond Willow Metropark 42.42113 -83.96666 Pumpkinseed 2020 pending Long Lake Long Lake w of Pontiac 42.61073 -83.45627 Largemouth Bass 2019 pending Long Lake w of Pontiac 42.61073 -83.45627 Bluegill 2019 pending