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Wake County, North Carolina · Water Quality Report Card

Wake Forest Reservoir @ Dam

Grade Not rated
Limited DataEutrophic

Wake Forest Reservoir @ Dam in Wake County, North Carolina is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 50 µg/L. Chlorophyll-a (algae): 41 µg/L.

Mean depth
~12 ft est.
Type
Eutrophic

Wake Forest Reservoir @ Dam is a productive, nutrient-rich eutrophic lake in Wake County, North Carolina with an estimated average depth of about 12 feet.

Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2025-06-10. Grade methodology: LakeGrade methodology.

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Swimming Safety

Not rated for swimming — there is not enough monitoring data to judge this lake

Water Quality Grade: Not rated

No clarity data. Phosphorus level: 50 µg/L. Chlorophyll-a: 41 µg/L. Trophic State Index: 64.

MetricValueGrade
Water Clarity (Secchi Depth)No data
Phosphorus50 µg/L
Chlorophyll-a (Algae)41 µg/L
Trophic State Index (TSI)64Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Average Depth~12 ft est.

Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. North Carolina has not published bathymetry for Wake Forest Reservoir @ Dam.

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Location

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Nearby Lakes in Wake County

More records, surveys & data sources

Lake Size & Watershed

Watershed (drainage) area
6 sq mi
Surface area
44 acres
Mean depth (modeled estimate)
~12 ft est.
Shoreline
2 mi
Elevation
322 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.

Where this data comes from

7 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North Carolina Dept of Environmental Quality NCDEQ-DWR WQX21NC03WQ7 samples · 2025

Analytical methods

  • WSSSOP
  • Phosphorus by Colorimetry
  • 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
  • 2130 B ~ Nephelometric Method
Monitoring station identifiers (1)

Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.

Data Sources

Water quality data from the EPA Water Quality Portal

Lake size & watershed from HydroLAKES (HydroSHEDS)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion

Most recent sample: 2025-06-10

Monitoring stations: 1

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