Skip to main content
LakeQuality

Nla Upper Lake

Grays Harbor County, WashingtonView mapDirections

Washington Ecology publishes the water-quality measurements for Nla Upper Lake. Here is what has been measured.

Phosphorus
12.4 µg/L
Less phosphorus than most
Measured by Washington Ecology
Chlorophyll-a
0.9 µg/L
Less algae than most
Measured by Washington Ecology
  • Public access
  • Limited data

Nla Upper Lake in Grays Harbor County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Phosphorus: 12.4 µg/L. Chlorophyll-a (algae): 0.9 µg/L.

Loading map…

Nla Upper Lake is a lake in Grays Harbor County, Washington. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled 2017-07-26. Methodology: how these readings are compared.

What Nla Upper Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp
  • Camping4 public campgrounds nearby

Swimming conditions

No reading

Limited data

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

Whether Nla Upper Lake is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Nla Upper Lake →

Water quality measurements for Nla Upper Lake

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

No clarity data. Phosphorus 12.4 µg/L. Chlorophyll-a 0.9 µg/L. TSI 35.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

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

Total phosphorus12.4µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)0.9µg/LMeasured, not scored

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.35Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Nla Upper Lake

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

Recreation & Access

1
Boat Landings
Yes
Public Access
4
Campgrounds
  • Falls Creek CampgroundPublic

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

Public campgrounds near Nla Upper Lake

  • Falls Creek Campground1.6 kmReserve
  • Gatton Creek Campground1.6 km
  • Gatton Creek Campground/Day Use Area1.6 km
  • Willaby2.2 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Nla Upper Lake

Compare lakeside cabins, hotels, and vacation rentals near Nla Upper Lake in Grays Harbor County, Washington — 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 Nla Upper Lake

Prices for Oct 30–Nov 1, 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 Nla Upper Lake → · more Washington lake trips

Follow Nla Upper Lake’s readings

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


Or email

Fishing Nla Upper Lake

Nearby Lakes in Grays Harbor County

Frequently asked questions about Nla Upper Lake

Where is Nla Upper Lake?

Nla Upper Lake is a lake in Grays Harbor County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

What is the water quality of Nla Upper Lake?

Nla Upper Lake in Grays Harbor County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Phosphorus: 12.4 µg/L. Chlorophyll-a (algae): 0.9 µg/L.

Measurements on this page ↑

Is Nla Upper Lake safe to swim in?

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

Swimming on this page ↑

Are there boat ramps on Nla Upper Lake?

Nla Upper Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Falls Creek Campground. Public access is listed as yes.

Access on this page ↑

Can I fish at Nla Upper Lake?

Nla Upper 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 Washington's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Are there campgrounds on Nla Upper Lake?

Nla Upper Lake has 4 public campgrounds from USGS The National Map within 5 km, including Falls Creek Campground, Gatton Creek Campground, Gatton Creek Campground/Day Use Area, Willaby. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Access on this page ↑

Planning a trip around Olympic?

Nla Upper Lake is about 24 miles from Olympic National Park. 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 Olympic →

Oligotrophic Lakes in Washington

Where this data comes from

2 measurements from 1 monitoring station, 2017. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Quinault Indian Nation (Tribal)QIN_WQX2 samples · 2017

Analytical methods

  • 4500 P H ~ Manual Digestion and Flow Injection Analysis for Total Phosphorus
  • 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
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

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

Public campgrounds from USGS The National Map Structures, within about 3 miles