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Wahiawā Reservoir

Wahiawā Reservoir is a reservoir in Hawaii, near Honolulu County.

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Fish species in Wahiawā Reservoir

Fishing Status

Fishing is currently closed while the Wahiawā dam rehabilitation project is underway. Old Lake Wilson tactics do not override that closure.

Why Lake Wilson Still Matters

Before the closure, this was Oahu’s best-known freshwater game-fish water, with peacock bass, three other bass records, catfish, oscars, tilapia, carp, and several other introduced fish.

What to Check Next

Use a new Hawaii Division of Aquatic Resources announcement to confirm reopening and any changed rules. Until then, there is no legal fishing plan to recommend.

Wahiawā Reservoir FAQs

What is the current fishing status at Wahiawā Reservoir?

The first thing to know: Fishing is currently closed while the Wahiawā dam rehabilitation project is underway.

Why is Wahiawā Reservoir different from a normal sport lake?

The reason is simple: Before the closure, this was Oahu’s best-known freshwater game-fish water, with peacock bass, three other bass records, catfish, oscars, tilapia, carp, and several other introduced fish.

Which local fact matters most at Wahiawā Reservoir?

Keep this fact in mind: Use a new Hawaii Division of Aquatic Resources announcement to confirm reopening and any changed rules.

Check the evidence

Sources and what they establish

Source dates describe the evidence, not a live catch forecast. Check the managing authority before planning access or keeping fish.

  • Blackchin Tilapia — supporting source

    Hawaiʻi's Fishes

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Bluegill — supporting source

    Images of Old Hawaiʻi

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Butterfly Peacock Bass — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Channel Catfish — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Chinese Catfish — supporting source

    Images of Old Hawaiʻi

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Common Carp — supporting source

    Images of Old Hawaiʻi

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Largemouth Bass — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Longfin Tilapia — supporting source

    USGS Nonindigenous Aquatic Species Database

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Midas Cichlid — supporting source

    USGS Nonindigenous Aquatic Species Database

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Oscar — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Smallmouth Bass — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Striped Snakehead — supporting source

    Hawaiʻi DLNR Division of Aquatic Resources

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

  • Threadfin Shad — supporting source

    FishBase country occurrence summary

    The linked source supports this fish’s presence or stocking in this water.

    Source checked:

    This is not a record catch or a measure of how many fish are there today. The source may describe an earlier period.

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