Jefferson — 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

No published valueobserved evidence · source: ice_phenology

ice — latest out

2025-03-15observation date: 2025-03-15observed evidence · source: ice_phenology

water levels — latest date

2019-04-16observation date: 2019-04-16observed evidence · source: water_levels

water levels — latest value

1019.16 footobservation date: 2019-04-16observed evidence · source: water_levels

water quality — monitored clarity ft

No published value footobserved evidence · source: lake_summary_slim

water quality — monitored clarity year

No published valueobserved 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

40009200: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":null,"latestIceOutDate":"2025-03-15","latestMatchedDurationDays":null,"latestMatchedSeasonStartYear":null,"programId":"MNDNR-SCO","programLabel":"Minnesota DNR State Climatology Office"},{"latestIceInDate":null,"latestIceOutDate":"2015-03-12","latestMatchedDurationDays":null,"latestMatchedSeasonStartYear":null,"programId":"MNPCA","programLabel":"Minnesota Pollution Control Agency"}]observed evidence · source: ice_phenology

ice — out trend days per decade

No published value 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

No published valueapplication_derived evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

Fish survey and abundance

fisheries — latest lake survey date

No published valueobserved evidence · source: lake_summary_slim

fisheries — species count

No published valueobserved evidence · source: lake_summary_slim

fisheries — survey count

0observed 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

["whole_waterbody"]regulatory evidence · source: ais

ais — current listing count

5regulatory evidence · source: ais

ais — current species

["Eurasian watermilfoil"]regulatory evidence · source: ais

ais — official status

Listedregulatory evidence · source: ais

AIS occurrence evidence

Occurrence evidence cannot create or change an official infestation listing.

No applicable published fact.

Public access and depth contours

access — status

Public access unknownmanagement evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

access — types

[]management evidence · source: lake_summary_slim · lake_report.v1_projection@1.0.0

bathymetry — available

Nogeographic 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

208.71380981171768 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

287.0734134478939 metergeographic evidence · source: public_land_context · public_land.nearest_boundary_distance@1.0.0

public land — management shoreline adjacent percent

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

public land — other interest nearest meters

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

public land — other interest shoreline adjacent percent

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

public land — ownership nearest meters

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

public land — ownership shoreline adjacent percent

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

roads — density km per sq km

2.1936 km/km2application_derived evidence · source: road_context · road_context.road_density@1.0.0

roads — eligible buffer area square meters

28484800 square meterapplication_derived evidence · source: road_context · road_context.eligible_buffer_lattice@1.0.0

roads — included length meters

62483.89 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

4896.42 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 40009200