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Johnson County, Wyoming: records in the National Inventory of Dams

Johnson County, Wyoming had 178 records in the inventory, 14 of them high hazard, as of October 30, 2026, according to the National Inventory of Dams.

The NID prints the county as Johnson. A count is of records, which include the separate structures recorded with a dam.

Johnson County, Wyoming, October 2026

14
High-hazard records
October 2026
1st of 23 counties the NID names in Wyoming; 7.9% of the county’s 178 records. A hazard class is not a risk.
12
High hazard, condition published
October 2026
0 rated Poor or Unsatisfactory.
2
High hazard, condition not published
October 2026
0 not provided to the NID, 2 with no condition assessment in its file.

Records by hazard class

1 more column on a wider screen

The 178 records the NID places in Johnson County, Wyoming, by the hazard class the responsible agency assigned, October 2026. A class is the consequence of a failure, not its likelihood.
Hazard classRecords
High14
Significant8
Low156
Undetermined0

Every record in Johnson County

High hazard first, then by Federal ID. Each opens the record’s own page, with every field the NID publishes for it. Names are the NID’s, as printed.

2 more columns on a wider screen

The 178 records the National Inventory of Dams lists in Johnson County, Wyoming, with the hazard class and the condition assessment of each, as of October 30, 2026
Federal IDDam nameHazard class
WY00456Lake Desmet (North Dam)High
WY00459Big Horn Dike AHigh
WY00460Kearney LakeHigh
WY00463Cloud PeakHigh
WY00464Willow ParkHigh
WY00557Dull KnifeHigh
WY01495HealyHigh
WY01771Muddy Guard No. 2 South DamHigh
WY01867Big Horn Dike BHigh
WY01868Big Horn Dike CHigh
WY02030Tie HackHigh
WY02302Lake Desmet (South Dam)High
WY02303Lake Desmet (A,B,C & Spillway Dikes)High
WY02603Dump DrawHigh
WY00461Reynolds Piney Creek Diversion DamSignificant
WY00651MartinSignificant
WY00785KellySignificant
WY00790Kingsbury Todd No. 1Significant
WY00791Kingsbury Todd No. 2Significant
WY01185Pole Creek IrrigationSignificant
WY01333Muddy Guard No. 2 North DamSignificant
WY02224Taylor No. 2Significant
WY00439Cheri L.Low
WY00441RamsbottomLow
WY00442John StockLow
WY00443Mary StockLow
WY00444MadonnaLow
WY00445BobLow
WY00447Dry CreekLow
WY00468Fish StockwaterLow
WY00470IreneLow
WY00478Taylor No. 1Low
WY00479SandstoneLow
WY00491FowlerLow
WY00497Twin No. 1Low
WY00498HenryLow
WY00505IberlinLow
WY00510RobertsonLow
WY00512Enl. DixonLow
WY00514ReculusaLow
WY00516JoeLow
WY00525MuffieLow
WY00536Falxa No. 1Low
WY00537Raper DrawLow
WY00538Smith No. 2Low
WY00539PassLow
WY00541Murk StockLow
WY00545North Poker CreekLow
WY00546Government No. 1 StockLow
WY00547MartonLow
WY00548Hague PaxtonLow
WY00551LulaLow
WY00554Henry No. 1 StockLow
WY00555Ethyl No. 2Low
WY00556Amerada StockLow
WY00558FisherLow
WY00559North Jack RabbitLow
WY00560MargaretLow
WY00562Sand DrawLow
WY00587LionLow
WY00594RenoLow
WY00599Stevens No. 2Low
WY00601Mary No. 2Low
WY00602Big BoyLow
WY00603Dry Poison IrrigationLow
WY00626DonaldsonLow
WY00652Cross & Cruse Creek Ditch Co.Low
WY00654KaufmannLow
WY00676KimberlyLow
WY00688Phil No. 2Low
WY00689HusonLow
WY00699MowryLow
WY00708MurphyLow
WY00709BassLow
WY00710BrockLow
WY00711BenLow
WY00712Willow GlennLow
WY00751Rattlesnake No. 1Low
WY00752WestLow
WY00753TassLow
WY00754PurdyLow
WY00762HeppLow
WY00763KarlLow
WY00764Steffenson No. 2Low
WY00774Horn CreekLow
WY00775Smith No. 1Low
WY00776BaschLow
WY00777HornLow
WY00778CrainLow
WY00779DoyenLow
WY00780MillerLow
WY00781LyleLow
WY00782DwightLow
WY00786CaseLow
WY00787SteffensenLow
WY00788WaltersLow
WY00789KarlLow
WY00832PatchLow
WY00994Four MileLow
WY00996StreeterLow
WY01010Pine DaleLow
WY01038Zezas IrrigationLow
WY01040HighwayLow
WY01041South ForkLow
WY01278Ridge Place No. 2Low
WY01332Muddy Guard No. 1Low
WY01339Cross CreekLow
WY01351WillitsLow
WY01480Big DonaldsonLow
WY01500PuffLow
WY01514TrabingLow
WY01541ArchLow
WY01572BruceLow
WY01584CaminoLow
WY01595Christensen No. 1Low
WY01647GammonLow
WY01676Haines StockLow
WY01796Parkman DisposalLow
WY01797PatLow
WY01828Restoration Pond BLow
WY01830Reynolds Clear Creek DiversionLow
WY01859SimmonsLow
WY01860SimmonsLow
WY01950ZezasLow
WY02048Posy No. 1Low
WY02065Glen MeansLow
WY02097Goble No. 2Low
WY02098Will No. 1Low
WY02099Austin No. 1Low
WY02100Leslie No. 2Low
WY02241Rule Wetland NorthLow
WY0228222 - 36Low
WY02321Margaret No.2Low
WY02323Buffalo Wildlife PondLow
WY02324Western Gas Resources No. 8Low
WY02325Sg PaloLow
WY02348AnaheimLow
WY02355Coulter 14-3Low
WY02356Mallard #1Low
WY02367Enl. Johnson 34-4-4377Low
WY02384Pk 9-17Low
WY02385Poison Creek No. 1Low
WY02386Dead RabbitLow
WY02398Jepson No. 2Low
WY02399Enl. George H. MarshallLow
WY02401Router No. 11Low
WY02402Total StationLow
WY02403Router No. 49Low
WY02404South Ricketts FlatLow
WY02408Enl. Rocky RoadLow
WY02409Boulder LaneLow
WY02410Rough RideLow
WY02411SnowflakeLow
WY02419Bowman No.1Low
WY02421Monkey CowboyLow
WY02422WillLow
WY02423Yates Coal Gulch 24-16Low
WY02429Mole ManLow
WY02435Roger's Folly No. 2Low
WY02442RingLow
WY02456NeilLow
WY02460Johnson 41-23-4377Low
WY02461Michelena #3Low
WY02471TabascoLow
WY02482Enl. FresnoLow
WY02484FeldsparLow
WY02552Bass PondLow
WY02558AnitaLow
WY02592Enl. Johnson 42-27-4377Low
WY02938Harriet 4777-7 Mixed Use #1Low
WY02942Harriett 4777-7 Fresh Water #1Low
WY02943Harriett 4777-7 Freshwater #2Low
WY02944Harriett 4777-7 Freshwater #3Low
WY02945Harriett Freshwater #4Low
WY02946Harriett Freshwater #5Low
WY02951Harriet 4777-7 Mixed Use #2Low
WY02952Case 4777-27 Mixed Use #1Low
WY02970Tornado Fed 4778-5 Mixed Use 1Low

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Sources

Compiled automatically from National Inventory of Dams — national CSV by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved