Iowa · Black Hawk · Ready
Waterloo / Lost Island KOA Resort — Mining Sluice
Waterloo / Lost Island KOA Resort — Mining Sluice is a Ready rockhounding record in Black Hawk, Iowa. The recorded activity or material is operator-provided mining material / gem-mining sluice. The recorded manager or operating context is Waterloo / Lost Island KOA Resort. Ready means the current evidence supports the modeled activity, but visitors should still recheck current posted rules, closures, hours, fees, claims, collecting limits and site-specific notices before travel.
What is Waterloo / Lost Island KOA Resort — Mining Sluice?
Waterloo / Lost Island KOA Resort — Mining Sluice is a Ready rockhounding record in Black Hawk, Iowa. The recorded activity or material is operator-provided mining material / gem-mining sluice. The recorded manager or operating context is Waterloo / Lost Island KOA Resort.
What rocks, minerals, fossils or collecting interests are associated with it?
The record lists operator-provided mining material / gem-mining sluice. This description is tied to this atlas entry and should be read together with the access status below.
Can I collect at Waterloo / Lost Island KOA Resort — Mining Sluice?
Ready. Current KOA recreation page lists an on-site mining sluice operating June 1–August 31 from 8 AM to 9 PM with bags of mining material sold in the store. This permission applies only to purchased/operator-provided material within the campground attraction.
Ready means the current evidence supports the modeled activity, but visitors should still recheck current posted rules, closures, hours, fees, claims, collecting limits and site-specific notices before travel.
Where is this record located?
Navigation uses the recorded public destination or address for Waterloo / Lost Island KOA Resort — Mining Sluice. The destination is a travel reference, not a specimen-level promise or a substitute for current access rules.
Recorded destination: 4550 La Porte Rd, Waterloo, IA 50701
Who manages the place or provides the evidence context?
The recorded manager or context is Waterloo / Lost Island KOA Resort.
What evidence supports this status?
The record was last reviewed on 2026-08-30. Evidence and management context: Waterloo / Lost Island KOA Resort. Current named Iowa collecting program/site passes authority/access/retention gates within its exact posted or operator-managed footprint. Program or rule context: MANAGED_MINING_SLUICE.
Program or rule context: MANAGED_MINING_SLUICE
How precise is the map marker?
Navigation uses the recorded public destination or address for Waterloo / Lost Island KOA Resort — Mining Sluice. The destination is a travel reference, not a specimen-level promise or a substitute for current access rules.
What should I verify before going?
- Current land ownership and the exact parcel or managed activity footprint.
- Posted closures, seasonal restrictions, opening hours, fees and permit requirements.
- Mining claims, mineral rights, private-property boundaries and road or trail access.
- Whether the material and collecting method you intend to use are actually allowed.
- Current safety conditions, including weather, fire, water, tides, unstable workings, traffic and other site-specific hazards.
When was this information last checked?
The recorded review date is August 30, 2026. Treat that date as the evidence snapshot used for this classification. Conditions can change after review, so field decisions should use the newest posted rules and manager information.
Is a map pin the same as collecting permission?
No. A map pin answers a navigation or geographic-context question. The status and evidence answer the permission question. Exact coordinates, public destination addresses and approximate county or regional context are deliberately kept separate so geographic precision is not confused with legal authority.