Grade Stabilization Dams in Iowa

Iowa has 260 grade stabilization dams. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel.

#DamCountyHeight (ft)HazardConditionYear
1Langenfeld - Heiden DamCrawford44LowNot Rated2000
2Ramsey DamHarrison43LowNot Rated2000
3Maurer DamO'Brien43LowNot Rated2000
4Crawford Co Roadgrade Dam 34-84-39Crawford41LowNot Rated2002
5Soap Creek Watershed Site 26-55Davis40LowNot Rated2007
6Louisa County Raodgrade Dam 36-73-3Louisa40LowNot Rated2002
7Jasper County Roadgrade Dam 20-81-20Jasper39LowNot Rated2002
8Nowak DamHarrison38LowNot Rated2001
9Jasper County Roadgrade Dam 15-81-20Jasper38LowNot Rated2005
10Behrendt DamMonona38LowNot Rated2014
11Carbaugh DamMontgomery38Low2023
12Woodbury County Road Dam 8-87-44Woodbury38LowNot Rated2001
13Blanchard DamLee37LowNot Rated2006
14Jar FarmsMontgomery37LowNot Rated2001
15Arlen Meyer DamPage37Low2023
16Srite DamPage37Low2023
17Ken Southworth Jr. DamDubuque36LowNot Rated2014
18Hopp Dam (upper Site)Mills36LowNot Rated2005
19Legacy Farms DamMontgomery36Low2023
20Cynthia Schlapia DamRinggold36LowNot Rated2016
21Twelve Mile Creek Watershed Site 62-5Union36LowNot Rated2003
22Washington Co Road Dam 3-74-7Washington36LowNot Rated2002
23Buckmaster DamAllamakee35Low1967
24Troublesome Creek Watershed Site 78-4Cass35LowNot Rated1999
25Tim Lau Site 2Clarke35LowNot Rated2016
26Jarrett DamDes Moines35Low2023
27Burg DamEmmet35LowNot Rated2000
28Lautner DamGreene35LowNot Rated2004
29Ls Dennis LindgrenIda35Low1995
30Arrowhead Investments DamMadison35Low2020
31Deitchler DamMills35Low2020
32Wenger DamWashington35LowNot Rated2005
33Mark Maeder DamAdair34Low2020
34Troublesome Creek Watershed Site 85-2Audubon34LowNot Rated2003
35Ls Janet LindgrenIda34Low1998
36Rocky Branch Creek, Site Mike Taylor DamMadison34LowNot Rated2016
37Speck DamMills34LowNot Rated2004
38Waubonsie Creek Watershed Site M-3Mills34LowNot Rated1999
39Jackson DamMontgomery34Low2022
40Hallquist DamMontgomery34Low2022
41Jon Bix DamPage34Low2023
42Stimson Farms DamPage34Low2021
43David Downey DamUnion34LowNot Rated2013
44Drake DamAdams33Low2022
45Weppler DamCass33Low2023
46Buck DamCrawford33LowNot Rated2000
47Millard DamDavis33LowNot Rated2002
48Edward Schnurr DamDecatur33Low2019
49Schulte DamLee33LowNot Rated2000
50Lehr DamLucas33LowNot Rated2006
51Rasmussen DamMadison33Low2020
52Lange DamMadison33Low2021
53Dtl Farms Llc DamMadison33Low2020
54Angran DamMonroe33LowNot Rated2001
55Lake Miami Sediment Basin - Middle SiteMonroe33LowNot Rated2000
56Fisher DamMontgomery33Low2024
57Neva Anderson Trust DamMontgomery33Low2021
58Turner DamPage33Low2024
59Mather DamPage33LowNot Rated2012
60Tim Temeyer DamPottawattamie33Low2020
61Clint Means DamTaylor33Low2021
62Cheers DamUnion33LowNot Rated2005
63Betty BeamanAdair32LowNot Rated2014
64Turkey Creek Watershed Site 62-7Cass32LowNot Rated2002
65Tim Lau Site 1Clarke32LowNot Rated2016
66Greg Gilbert DamClarke32Low2019
67Patterson DamClarke32Low2018
68Frank Riley DamClarke32Low2017
69Adam DamJefferson32LowNot Rated2017
70Brad Wiley DamMadison32LowNot Rated2014
71Zach Anderson DamMontgomery32Low2024
72Robinette DamMontgomery32LowNot Rated2013
73Hayes DamPage32LowNot Rated2012
74David Loutzenhiser DamRinggold32Low2021
75Matt Brown DamUnion32Low2019
76Carl Kirkland DamUnion32LowNot Rated2014
77Mohr & Sharp DamVan Buren32LowNot Rated2001
78Ls Miller 4-3375Woodbury32Low1960
79Akers Farms DamAdair31LowNot Rated2016
80Merrill Dorland DamClarke31LowNot Rated2014
81Rhoten DamDallas31Low2003
82Kopecky DamFremont31LowNot Rated2005
83Darbyshire DamHenry31LowNot Rated2009
84Montie L Hammond Estate DamJasper31LowNot Rated2014
85William Ory DamMadison31Low2018
86Johnson DamMontgomery31Low2024
87Shipley DamMontgomery31Low2023
88Twelve Mile Creek Watershed Site 36Union31LowNot Rated2003
89Washington Co Road Dam 26-74-9Washington31LowNot Rated2005
90Turkey Creek Watershed Site 58dCass30LowNot Rated2004
91Mcintyre DamDecatur30LowNot Rated2013
92Hopp Dam (lower Site)Mills30LowNot Rated2005
93Duer DamMonroe30LowNot Rated2000
94Kamerick Road StructureMonroe30LowNot Rated2001
95Davis DamMonroe30LowNot Rated2004
96Ammons Roadgrade StructureMonroe30LowNot Rated2004
97Walker DamMontgomery30LowNot Rated2005
98Gray DamPage30Low2021
99Matthew BrownUnion30Low2018
100Beinhart DamWashington30Low2023

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