Skip to main content
LakeQuality

Lake Wallenpaupack

Pike County, PennsylvaniaView mapDirections

PA DEP publishes the water-quality measurements for Lake Wallenpaupack. Here is what has been measured.

Clarity
5.7 ft
Secchi · sampled 2024
Water temp
~69°F
Typical for Sep · EPA WQP
Max depth
~77 ft est.
GLOBathy model
Trend
Improving
5 years of samples
  • Impaired · Mercury
  • 77 ft max depth
  • Public access
  • Limited data

Lake Wallenpaupack in Pike County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Water clarity: 5.7 ft visibility.

Loading map…

Lake Wallenpaupack is a lake in Pike County, Pennsylvania with an estimated average depth of about 77 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 7 public boat landings.

Source: EPA Water Quality Portal sampling records, PA DEP, last sampled 2024-09-29. Methodology: how these readings are compared.

Lake Wallenpaupack has 7 public boat landings, so a lakefront rental is not the only way to get a boat on the water. For a place on the water, look through cabin and lake-house rentals near Lake Wallenpaupack on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Lake Wallenpaupack is good for

From access and monitoring records, not editorial picks.

  • Boat launch7 documented ramps

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Lake Wallenpaupack is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Lake Wallenpaupack is safe to swim in today is a call for the Pennsylvania Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Albany →

Get alerts for Lake Wallenpaupack →

Water quality measurements for Lake Wallenpaupack

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

Murky, only visible to about 5.7 ft. TSI 52.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5.7ftMeasured, not scored

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

Total phosphorusNo 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.52Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lake Wallenpaupack

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

Water Temperature

Lake Wallenpaupack typically sits around 69°F at the surface in September. Summer average is about 76°F. Usually warmest in Jul (about 78°F) and coldest in May (about 65°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
65°
May
73°
Jun
78°
Jul
76°
Aug
69°
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (65°F) to its warmest (78°F).

Typical surface water temperature by month, from 239 field readings (2020–2024) via the EPA Water Quality Portal. See the full Lake Wallenpaupack water temperature breakdown →

Lake Details

Max depth

~77 ft est.

Public access

Yes

Listed by PA DEP

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Pennsylvania has not published bathymetry for Lake Wallenpaupack.

Lake Size & Watershed

Watershed (drainage) area

223 sq mi

HydroLAKES / HydroSHEDS

Surface area

5,189 acres

HydroLAKES / HydroSHEDS

Shoreline

36.2 mi

HydroLAKES / HydroSHEDS

Elevation

1,188 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Recreation & Access

7
Boat Landings
Yes
Public Access
  • WilsonvillePublic
  • Caffrey Recreation Area/CapriPublic
  • Wallenpaupack LakePublic
  • Ironwood PointPublic
  • Ledged DalePublic
  • 1st Klas MarinaSemi-private

Showing 6 of 7 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 Lake Wallenpaupack

Compare lakeside cabins, hotels, and vacation rentals near Lake Wallenpaupack in Pike County, Pennsylvania — 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 Lake Wallenpaupack

Prices for Oct 23–25, 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 trip? Cabins and lodging at Lake Wallenpaupack → · more Pennsylvania lake trips

Follow Lake Wallenpaupack’s readings

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


Or email

Fishing Lake Wallenpaupack

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Improving

    5 years

See year-by-year chart →

EPA Impairment Status

Lake Wallenpaupack is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit PA-LRP-02040103001053 · Official waterbody report

Regulated Pollution Sources Nearby

18 EPA-permitted facilities operate within about 5 miles of Lake Wallenpaupack under Clean Water Act (NPDES) discharge permits. 7 facilities have a reported Clean Water Act violation in the past three years.

  • Cove Haven Inc
    Lakeville · 1.7 mi away · NPDES PA0034428
    Recent violation
  • Deer Haven Wwtp
    Greentown · 2.4 mi away · NPDES PA0041912
    Recent violation
  • Wllnppck Lk Estates
    Lake Ariel · 3.2 mi away · NPDES PA0060542
    Recent violation
  • Pa Dot - Rest Area 62
    Palmyra Twp · 3.8 mi away · NPDES PA0060348
    Recent violation
  • Wallenpaupack Area High School
    Hawley · 4 mi away · NPDES PA0031364
    Recent violation
  • Mugg'S Country Kitchen / Lakeview True Value Hardware
    Tafton · 4 mi away · NPDES PA0060887
    Recent violation

Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.

Nearby Lakes in Pike County

Frequently asked questions about Lake Wallenpaupack

Where is Lake Wallenpaupack?

Lake Wallenpaupack is a lake in Pike County, Pennsylvania. Its water-quality measurements are published by PA DEP and shown on this page as reported.

What is the water quality of Lake Wallenpaupack?

Lake Wallenpaupack in Pike County, Pennsylvania has water-quality measurements published by PA DEP, shown here as reported. Water clarity: 5.7 ft visibility.

Measurements on this page ↑

Is Lake Wallenpaupack safe to swim in?

Nutrient and algae readings are not a swimming clearance. Lake Wallenpaupack is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Lake Wallenpaupack?

Lake Wallenpaupack typically sits around 69°F at the surface in September, from 239 EPA Water Quality Portal field readings (2020–2024). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Lake Wallenpaupack?

No published bathymetric survey covers Lake Wallenpaupack, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 77 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Are there boat ramps on Lake Wallenpaupack?

Lake Wallenpaupack has 7 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Wilsonville, Caffrey Recreation Area/Capri, Wallenpaupack Lake, Ironwood Point, among others. Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Wallenpaupack?

Lake Wallenpaupack has 7 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Pennsylvania's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Planning a trip around Delaware Water Gap?

Lake Wallenpaupack is about 25 miles from Delaware Water Gap National Recreation Area. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.

Best time to visit Delaware Water Gap →

Where this data comes from

570 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North American Lake Management SocietyNALMS570 samples · 2020–2024
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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)

Named boat-access points from the USGS National Boat Ramps inventory