Little Rock — Minnesota lake report

Latest published observations

Dated observations and regulatory status are kept distinct.

assessment — cycle

2024publication date: 2024-04-25regulatory evidence · source: assessments

assessment — lake status

impairedpublication date: 2024-04-25regulatory evidence · source: assessments

ice — latest in

2025-11-28observation date: 2025-11-28observed evidence · source: ice_phenology

ice — latest out

2025-03-26observation date: 2025-03-26observed evidence · source: ice_phenology

water levels — latest date

2026-05-01observation date: 2026-05-01observed evidence · source: water_levels

water levels — latest value

1014.99 footobservation date: 2026-05-01observed evidence · source: water_levels

water quality — monitored clarity ft

2.4 footobserved evidence · source: lake_summary_slim

water quality — monitored clarity year

2025observed evidence · source: lake_summary_slim

Water level

The selected observation names its datum and series; incompatible datums are never combined.

water levels — datum

NGVD 29observed evidence · source: water_levels

water levels — series id

05001300:datum:b99559e92bobserved evidence · source: water_levels

water levels — station identity

No published valueobserved evidence · source: water_levels

Ice-in and ice-out

Ice-in, ice-out, incomplete seasons, programs, and qualifying trends remain separate.

ice — latest by program

[{"latestIceInDate":"2012-11-25","latestIceOutDate":null,"latestMatchedDurationDays":null,"latestMatchedSeasonStartYear":null,"programId":"MNDNR","programLabel":"MNDNR"},{"latestIceInDate":"2023-12-31","latestIceOutDate":"2024-03-09","latestMatchedDurationDays":69,"latestMatchedSeasonStartYear":2023,"programId":"MNDNR-LLMMP","programLabel":"Minnesota DNR Lake Level Minnesota Monitoring Program"},{"latestIceInDate":"2025-11-28","latestIceOutDate":"2025-03-26","latestMatchedDurationDays":116,"latestMatchedSeasonStartYear":2024,"programId":"MNDNR-SCO","programLabel":"Minnesota DNR State Climatology Office"},{"latestIceInDate":"2008-11-20","latestIceOutDate":"2008-04-17","latestMatchedDurationDays":null,"latestMatchedSeasonStartYear":null,"programId":"MNPCA","programLabel":"Minnesota Pollution Control Agency"}]observed evidence · source: ice_phenology

ice — out trend days per decade

-0.61 days/decadeapplication_derived evidence · source: ice_phenology · lake_report.v1_projection@1.0.0

Water clarity and observed water quality

Observed monitoring and modeled satellite estimates are separate evidence surfaces.

water quality — clarity trend

stableapplication_derived evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

water quality — observed latest secchi ft

2.4 footobserved evidence · source: water_quality

water quality — observed latest year

2025observed evidence · source: water_quality

water quality — observed sampling through

2025-09-17observation date: 2025-09-17observed evidence · source: water_quality

water quality — satellite clarity

0.5 metermodeled evidence · source: water_quality_satellite · lake_report.v1_projection@1.0.0

water quality — satellite latest year

2025modeled evidence · source: water_quality_satellite · lake_report.v1_projection@1.0.0

Fish survey and abundance

fisheries — abundance species evidence

{"BIB":{"comparisonType":"source_provided_quartile","cpue":0.09,"cpueUnit":"fish/set","status":"Present"},"BLB":{"comparisonType":"source_provided_quartile","cpue":0.09,"cpueUnit":"fish/set","status":"Present"},"BLC":{"comparisonType":"source_provided_quartile","cpue":14.64,"cpueUnit":"fish/set","status":"Abundant"},"BLG":{"comparisonType":"statewide_species_gear_percentile","cpue":10,"cpueUnit":"fish/hour","status":"Common"},"BOF":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"BRB":{"comparisonType":"source_provided_quartile","cpue":0.18,"cpueUnit":"fish/set","status":"Present"},"CAP":{"comparisonType":"source_provided_quartile","cpue":0.36,"cpueUnit":"fish/set","status":"Present"},"CCF":{"comparisonType":"statewide_species_gear_percentile","cpue":13.73,"cpueUnit":"fish/set","status":"Abundant"},"GSF":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"HSF":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"LMB":{"comparisonType":"statewide_species_gear_percentile","cpue":2,"cpueUnit":"fish/hour","status":"Present"},"NOP":{"comparisonType":"source_provided_quartile","cpue":2,"cpueUnit":"fish/set","status":"Common"},"PMK":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"SHR":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"SLR":{"comparisonType":"statewide_species_gear_percentile","cpue":0.09,"cpueUnit":"fish/set","status":"Common"},"WAE":{"comparisonType":"source_provided_quartile","cpue":17.18,"cpueUnit":"fish/set","status":"Abundant"},"WTS":{"comparisonType":"source_provided_quartile","cpue":11.18,"cpueUnit":"fish/set","status":"Abundant"},"YEB":{"comparisonType":"presence","cpue":null,"cpueUnit":null,"status":"Present"},"YEP":{"comparisonType":"source_provided_quartile","cpue":0.18,"cpueUnit":"fish/set","status":"Present"}}observed evidence · source: fish

fisheries — latest lake survey date

2023-09-06observation date: 2023-09-06observed evidence · source: lake_summary_slim

fisheries — selected abundance survey date

2020-07-13observation date: 2020-07-13observed evidence · source: fish

fisheries — species count

21observed evidence · source: lake_summary_slim

fisheries — survey count

25observed evidence · source: lake_summary_slim

Stocking history

No applicable published fact.

Official AIS listing

This is regulatory listing status, not occurrence evidence.

ais — current extent scopes

["connected_portion"]regulatory evidence · source: ais

ais — current listing count

1regulatory evidence · source: ais

ais — current species

["Zebra mussel"]regulatory evidence · source: ais

ais — official status

Listedregulatory evidence · source: ais

AIS occurrence evidence

Occurrence evidence cannot create or change an official infestation listing.

ais — latest occurrence date

1990-07-16observation date: 1990-07-16observed evidence · source: ais_occurrences

ais — occurrence count

2observed evidence · source: ais_occurrences

ais — occurrence species

[]observed evidence · source: ais_occurrences

Public access and depth contours

access — documented listing count

2management evidence · source: access · lake_report.v1_projection@1.0.0

access — status

Public access documentedmanagement evidence · source: access · lake_report.v1_projection@1.0.0

access — types

["CA","CO","GRAVEL"]management evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

bathymetry — available

Yesgeographic evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

Public-land and road context

Ownership, management, easements, designations, and included mapped roads remain separate context facts.

public land — designation nearest meters

No published value metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — designation shoreline adjacent percent

0 percentapplication_derived evidence · source: public_land_context · public_land.shoreline_adjacency@1.0.0

public land — easement nearest meters

31.148567936049346 metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — easement shoreline adjacent percent

0 percentapplication_derived evidence · source: public_land_context · public_land.shoreline_adjacency@1.0.0

public land — management nearest meters

5.27793506001501 metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — management shoreline adjacent percent

0.4 percentapplication_derived evidence · source: public_land_context · public_land.shoreline_adjacency@1.0.0

public land — other interest nearest meters

No published value metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — other interest shoreline adjacent percent

0 percentapplication_derived evidence · source: public_land_context · public_land.shoreline_adjacency@1.0.0

public land — ownership nearest meters

51.47903773066332 metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — ownership shoreline adjacent percent

0 percentapplication_derived evidence · source: public_land_context · public_land.shoreline_adjacency@1.0.0

roads — density km per sq km

2.5074 km/km2application_derived evidence · source: road_context · road_context.road_density@1.0.0

roads — eligible buffer area square meters

16904000 square meterapplication_derived evidence · source: road_context · road_context.eligible_buffer_lattice@1.0.0

roads — included length meters

42384.69 meterapplication_derived evidence · source: road_context · road_context.included_length_within_one_kilometer@1.0.0

roads — nearest included meters

0 metergeographic evidence · source: road_context · road_context.nearest_included_road_distance@1.0.0

roads — nearest major meters

0 metergeographic evidence · source: road_context · road_context.nearest_major_road_distance@1.0.0

roads — united states coverage complete

Yesapplication_derived evidence · source: road_context · road_context.united_states_source_coverage@1.0.0

Sources, dates, methods, and corrections

Provenance catalog: export_provenance.v1-ca646c5ba79e.json (SHA-256 ca646c5ba79eec8b835ffaae7a9c07b79ec2d768501961bb0393b3727489d5a2).

Methods · Report a correction for DOW 05001300