Skip to main content
LakeQuality

Little Newton Lake

Marinette County, Wisconsin59 acresView mapDirections

Wisconsin DNR publishes the water-quality measurements for Little Newton Lake. Here is what has been measured.

Clarity
10.5 ft
Typical for Wisconsin
Secchi · sampled 2026
Phosphorus
13.2 µg/L
Less phosphorus than most
Measured by Wisconsin DNR
Max depth
53 ft
Bathymetric survey
Area
59 acres
Surface area
Type
Mesotrophic
Trophic class
Trend
Worsening
7 years of samples
  • Mesotrophic
  • Purple Loosestrife
  • 53 ft max depth
  • Public access

Little Newton Lake in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 13.2 µg/L. Maximum depth: 53 ft. Surface area: 59 acres.

Wisconsin DNR lists Panfish as common on Little Newton Lake. DNR survey details →

Loading map…

Little Newton Lake is a 59-acre mesotrophic lake in Marinette County, Wisconsin with a maximum depth of 53 feet. Overall water quality is declining over recent sampling years. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Public access is available with 1 public boat landing. Compared to the 9 other monitored lakes in Marinette County, Little Newton Lake ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-27. Methodology: how these readings are compared.

Little Newton Lake covers about 59 acres in Marinette County. It has one public boat landing. For a place on the water, look through cabin and lake-house rentals near Little Newton Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Little Newton Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water10.5 ft of visibility
  • Boat launch1 documented ramp
  • Fishing4 species recorded
  • Deep water53 ft surveyed max depth

Swimming conditions

Readings only

Low algae

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Little Newton Lake 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.

Compare swimming lakes near Green Bay →

Get alerts for Little Newton Lake →

Water quality measurements for Little Newton Lake

These are the measurements Wisconsin DNR publishes for Little Newton Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Good clarity, visible to about 10.5 ft. Phosphorus 13.2 µg/L. TSI 42.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)10.5ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus13.2µg/LGood
GoodFairPoor
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.42Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

Ask about Little Newton Lake

Answers come straight from the public measurements and survey records on this page.

DNR fisheries survey

Wisconsin DNR lists Panfish as common on Little Newton Lake.

A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Newton Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. 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. Monitored by volunteers since 1989. 1 station on file (most recent sample 2025).

DNR Assessment
Excellent · Deep Seepage lake
Trophic State Index 40 (oligotrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Common)Largemouth Bass(Common)Walleye(Common)Northern Pike(Present)

Lake Details

Max depth

53 ft

Surface area

59 acres

Public access

Yes

Listed by Wisconsin DNR

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Shoreline

1.2 mi

HydroLAKES / HydroSHEDS

Elevation

896 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Little Newton LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Little Newton Lake

Compare lakeside cabins, hotels, and vacation rentals near Little Newton Lake 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 Little Newton Lake

Prices for Oct 9–11, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Follow Little Newton Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fish Species

Click a species to see every lake where it is documented.

Fishing Little Newton Lake

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Banded Mystery SnailChinese Mystery SnailEurasian Water-MilfoilPurple Loosestrife

Based on 7 years of monitoring (2020–2026).

  • Water clarity

    Stable

    7 years

  • Phosphorus

    Worsening

    +1.73 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Marinette County

Frequently asked questions about Little Newton Lake

Where is Little Newton Lake?

Little Newton Lake 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 Little Newton Lake?

Little Newton Lake in Marinette County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 10.5 ft visibility. Phosphorus: 13.2 µg/L. Maximum depth: 53 ft. Surface area: 59 acres.

Measurements on this page ↑

Is Little Newton Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Little Newton Lake?

Little Newton Lake has a maximum depth of 53 feet. The lake covers 59 acres.

What fish are in Little Newton Lake?

Fish species found in Little Newton Lake include Panfish, Largemouth Bass, Northern Pike, Walleye. Little Newton Lake is located in Marinette County, Wisconsin.

Fish on this page ↑

What did the DNR fisheries survey find at Little Newton Lake?

Wisconsin DNR lists Panfish as common on Little Newton Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Little Newton Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is declining. Catch rate is not a swim clearance and is not a weekly bite report.

DNR on this page ↑

Are there boat ramps on Little Newton Lake?

Little Newton Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Newton Lake. Public access is listed as yes.

Access on this page ↑

Can I fish at Little Newton Lake?

Little Newton Lake has 1 documented boat landing 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.

Access on this page ↑

State Parks Near Little Newton Lake

Where this data comes from

56 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX56 samples · 2020–2026

Analytical methods

  • Phosphorus by Colorimetry
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

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