High Falls Reservoir at
Marinette County, Wisconsin1,471 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for High Falls Reservoir at. Here is what has been measured.
- Impaired · Mercury
- 4 aquatic invasives
- 54 ft max depth
- Public access
- Limited data
High Falls Reservoir at in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 54 ft. Surface area: 1471 acres.
Wisconsin DNR lists Largemouth Bass as common on High Falls Reservoir at. DNR survey details →
High Falls Reservoir at is a 1,471-acre lake in Marinette County, Wisconsin with a maximum depth of 54 feet. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 8 public boat landings.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-07-27. Methodology: how these readings are compared.
High Falls Reservoir at covers about 1,500 acres in Marinette County. It has 8 public boat landings, so a lakefront rental is not the only way to get a boat on the water. If you are planning to stay, you can search lake houses and cabins around High Falls Reservoir at on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What High Falls Reservoir at is good for
From access and monitoring records, not editorial picks.
- Boat launch8 documented ramps
- Fishing6 species recorded
- Deep water54 ft surveyed max depth
- Big water1,471 acres
Swimming conditions
No readingBacteria tested: low
Based on E. coli testing, High Falls Reservoir at never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 87 samples across 9 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Wisconsin’s current beach and health-department advisories before swimming.
Whether High Falls Reservoir at is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for High Falls Reservoir at
These are the measurements Wisconsin DNR publishes for High Falls Reservoir at, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 9.5 ft. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about High Falls Reservoir at
Answers come straight from the public measurements and survey records on this page.
Wisconsin DNR lists Largemouth Bass as common on High Falls Reservoir at.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows High Falls Reservoir at’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2022).
Fish Species (DNR-rated)
DNR Reports & Resources
Wisconsin DNR Fisheries scientists publish multi-year survey reports for High Falls Reservoir at covering fish populations, stocking, water quality, and management. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- 2018High Falls Flowage comprehensive survey, 2018Comprehensive Survey · WI DNR · 2018 (PDF)
Lake Details
Max depth
54 ft
Surface area
1,471 acres
Public access
Yes
Listed by Wisconsin DNR
Lake Size & Watershed
Watershed (drainage) area
564 sq mi
HydroLAKES / HydroSHEDS
Shoreline
22.3 mi
HydroLAKES / HydroSHEDS
Elevation
892 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- High Falls Reservoir #6 - Woods CreekPublic
- High Falls Reservoir #7 - Rock CovePublic
- High Falls Reservoir #4 - TwinPublic
- High Falls Reservoir #5 - ChannelPublic
- Peshtigo River #14 - Thunder RiverPublic
- High Falls Reservoir #2 - Bass BayPublic
Showing 6 of 8 documented landings from the USGS National Boat Ramps inventory.
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near High Falls Reservoir at
Compare lakeside cabins, hotels, and vacation rentals near High Falls Reservoir at in Marinette County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near High Falls Reservoir at
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Planning a trip? Cabins and lodging at High Falls Reservoir at → · more Wisconsin lake trips
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Fish Species
Click a species to see every lake where it is documented.
Fishing High Falls Reservoir at
- → High Falls Reservoir at fishing: DNR survey catch rates, species & stocking
- → High Falls Reservoir at fishing forecast & best times (species outlook + 14-day solunar calendar)
- → High Falls Reservoir at fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from High Falls Reservoir at? (mercury & PFAS guide)
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
EPA Impairment Status
High Falls Reservoir at is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit WI10006269 · Official waterbody report
Nearby Lakes in Marinette County
Frequently asked questions about High Falls Reservoir at
Where is High Falls Reservoir at?
- High Falls Reservoir at is a lake in Marinette County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of High Falls Reservoir at?
- High Falls Reservoir at in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 9.5 ft visibility. Maximum depth: 54 ft. Surface area: 1471 acres.
Is High Falls Reservoir at safe to swim in?
- Based on E. coli testing, High Falls Reservoir at never exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 0% of 87 samples across 9 seasons. That is a historical summary of past bacteria testing, not a current reading and not a swimming clearance. Bacteria levels can spike quickly after heavy rain, so whether High Falls Reservoir at is safe to swim in today is a call for Wisconsin's water agency and the county health department; check their current beach advisories before you swim.
How deep is High Falls Reservoir at?
- High Falls Reservoir at has a maximum depth of 54 feet. The lake covers 1471 acres.
What fish are in High Falls Reservoir at?
- Fish species found in High Falls Reservoir at include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye. High Falls Reservoir at is located in Marinette County, Wisconsin.
What did the DNR fisheries survey find at High Falls Reservoir at?
- Wisconsin DNR lists Largemouth Bass as common on High Falls Reservoir at. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows High Falls Reservoir at’s water-quality measurements separately. Catch rate is not a swim clearance and is not a weekly bite report.
Are there boat ramps on High Falls Reservoir at?
- High Falls Reservoir at has 8 documented boat landings in the USGS National Boat Ramps inventory. Named access points include High Falls Reservoir #6 - Woods Creek, High Falls Reservoir #7 - Rock Cove, High Falls Reservoir #4 - Twin, High Falls Reservoir #5 - Channel, among others. Public access is listed as yes.
Can I fish at High Falls Reservoir at?
- High Falls Reservoir at has 8 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Wisconsin's fish and wildlife agency, so check its current regulations before you go.
Explore High Falls Reservoir at across LakeQuality
Depth, room, public access, and the state wake-sport rules
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Fish species and best lakes in Marinette County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its readings
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX1 sample · 2022
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory