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LakeQuality

Navarro Mills Lake

Navarro County, Texas5,070 acresView mapDirections

TCEQ publishes the water-quality measurements for Navarro Mills Lake. Here is what has been measured.

Clarity
2.2 ft
Typical for Texas
Secchi · sampled 2026
Phosphorus
50 µg/L
Typical for Texas
Measured by TCEQ
Chlorophyll-a
38.6 µg/L
Typical for Texas
Measured by TCEQ
Max depth
~27 ft est.
GLOBathy model
Area
5,070 acres
Surface area
Type
Hypereutrophic
Trophic class
  • Hypereutrophic
  • 27 ft max depth
  • Public access
  • Limited data

Navarro Mills Lake in Navarro County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 2.2 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 38.6 µg/L. Surface area: 5070 acres.

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Navarro Mills Lake is a 5,070-acre highly nutrient-loaded hypereutrophic lake in Navarro County, Texas with an estimated average depth of about 27 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings.

Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2026-01-07. Methodology: how these readings are compared.

At about 5,100 acres, Navarro Mills Lake is large enough that where you stay decides which shore you see most of. It has 6 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 Navarro Mills Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.

What Navarro Mills Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch6 documented ramps
  • Camping5 public campgrounds nearby
  • Big water5,070 acres

Swimming conditions

Readings only

Limited data

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 Navarro Mills Lake is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Navarro Mills Lake →

Water quality measurements for Navarro Mills Lake

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

Very murky, less than 2.2 ft of visibility. Phosphorus 50 µg/L. Chlorophyll-a 38.6 µg/L. TSI 64.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)2.2ftMeasured, not scored

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

Total phosphorus50µg/LPoor
GoodFairPoor
Chlorophyll-a (algae)38.6µg/LPoor
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.64Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Navarro Mills Lake

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

→ Navarro Mills Lake water level: the live USGS gauge reading

Lake Details

Max depth

~27 ft est.

Surface area

5,070 acres

Public access

Yes

Listed by TCEQ

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

Lake Size & Watershed

Watershed (drainage) area

335 sq mi

HydroLAKES / HydroSHEDS

Shoreline

16.8 mi

HydroLAKES / HydroSHEDS

Elevation

423 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

6
Boat Landings
Yes
Public Access
5
Campgrounds
  • Liberty Hill ParkPublic
  • Liberty Hill ParkPublic
  • Oak ParkPublic
  • Wolf Creek ParkPublic
  • Brushie Prairie ParkPublic
  • Pecan Point ParkPublic

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

Public campgrounds near Navarro Mills Lake

  • Oak Park Day Use1.1 kmReserve
  • OAK (Navarro Mills Lake)1.2 kmReserve
  • WOLF CREEK (Navarro Mills Lake)2.0 kmReserve
  • LIBERTY HILL (Navarro Mills Lake)2.1 kmReserve
  • PECAN POINT PARK (Navarro Mills Lake)4.3 kmReserve

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 Navarro Mills Lake

Compare lakeside cabins, hotels, and vacation rentals near Navarro Mills Lake in Navarro County, Texas — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Navarro Mills Lake are listed below.

Top-rated places to stay near Navarro Mills Lake

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 Navarro Mills Lake → · more Texas lake trips

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Fishing Navarro Mills Lake

Based on 5 years of monitoring (2021–2025).

  • Water clarity

    Improving

    5 years

  • Phosphorus

    Improving

    -6.5 µg/L/yr5 years

  • Chlorophyll-a

    Improving

    -7.79 µg/L/yr4 years

See year-by-year chart →

Reservoir Info (USACE NID)

Navarro Mills Lake is a man-made reservoir impounded by the Navarro Mills Dam (completed 1963), built primarily for flood risk reduction on the Richland Creek; earth-type dam, 87 ft tall and 7,570 ft long.

Surface area
5,070 ac
Normal storage
63,300 ac-ft
Max storage
323,879 ac-ft
Drainage area
320 sq mi
Hazard class
High
Owner
USACE - Fort Worth District

All listed purposes: Flood Risk Reduction;Fish and Wildlife Pond;Recreation;Water Supply.

Source: USACE National Inventory of Dams, NID ID TX00009 · Operator website

Nearby Lakes in Navarro County

Frequently asked questions about Navarro Mills Lake

Where is Navarro Mills Lake?

Navarro Mills Lake is a lake in Navarro County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.

What is the water quality of Navarro Mills Lake?

Navarro Mills Lake in Navarro County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 2.2 ft visibility. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 38.6 µg/L. Surface area: 5070 acres.

Measurements on this page ↑

Is Navarro Mills 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 Navarro Mills Lake?

No published bathymetric survey covers Navarro Mills Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 27 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 5070 acres.

Are there boat ramps on Navarro Mills Lake?

Navarro Mills Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Liberty Hill Park, Liberty Hill Park, Oak Park, Wolf Creek Park, among others. Public access is listed as yes.

Access on this page ↑

Can I fish at Navarro Mills Lake?

Navarro Mills Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Texas's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Are there campgrounds on Navarro Mills Lake?

Navarro Mills Lake has 5 public campgrounds from USGS The National Map within 5 km, including Oak Park Day Use, OAK (Navarro Mills Lake), WOLF CREEK (Navarro Mills Lake), LIBERTY HILL (Navarro Mills Lake). 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 ↑

Where this data comes from

61 measurements from 2 monitoring stations, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Texas Commission on Environmental QualityTCEQMAIN55 samples · 2020–2026
  • USGS Texas Water Science CenterUSGS-TX6 samples · 2020
Monitoring station identifiers (2)

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)

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

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