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LakeQuality

Coddle Creek Reservoir

Cabarrus County, North Carolina1,300 acresView mapDirections

F
Algae-prone

Nutrients and algae run well above the regional average.

↓ down from D at the last regrade

Water temp
No reading
No gauge
Clarity
No reading
No sample
Level
No reading
No gauge
Trend
No reading
Not enough history
  • Hypereutrophic
  • #3 of 3 in the county
  • 37 ft max depth
  • Limited data

Coddle Creek Reservoir in Cabarrus County, North Carolina has a water quality grade of F (Algae-prone). Phosphorus: 30 µg/L. Chlorophyll-a (algae): 32 µg/L. Surface area: 1300 acres.

Max depth
~37 ft est.
Area
1,300 acres
Type
Hypereutrophic
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Stays via Stay22

Stays near Coddle Creek Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Coddle Creek Reservoir in Cabarrus County, North Carolina — 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 grade measures nutrients and algae, not lodging — cabins and rentals around Coddle Creek Reservoir are listed below.

Top-rated places to stay near Coddle Creek Reservoir

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Watch Coddle Creek Reservoir’s letter

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Coddle Creek Reservoir is a 1,300-acre highly nutrient-loaded hypereutrophic lake in Cabarrus County, North Carolina with an estimated average depth of about 37 feet. Water quality is graded F based on 2 sampling years through 2021. Compared to the 2 other monitored lakes in Cabarrus County, Coddle Creek Reservoir ranks #3 for water quality.

Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2021-09-14. Grade methodology: LakeQuality methodology.

What Coddle Creek Reservoir is good for

From access and monitoring records, not editorial picks.

  • Big water1,300 acres

Swimming Safety

Grade only

Limited data

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

The F is nutrients and algae, not a swimming clearance. Coddle Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.

Get alerts for Coddle Creek Reservoir

Water Quality Grade: F (Algae-prone)

No clarity data. Phosphorus 30 µg/L. Chlorophyll-a 32 µg/L. TSI 59. The letter is not a swimming clearance.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
Phosphorus30 µg/LFair
Chlorophyll-a (Algae)32 µg/LPoor
Trophic State Index (TSI)59Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

CharacteristicValue
Maximum Depth~37 ft est.
Average Depth~25 ft est.
Surface Area1,300 acres

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. North Carolina has not published bathymetry for Coddle Creek Reservoir.

Lake Size & Watershed

Watershed (drainage) area
48 sq mi
Shoreline
11.7 mi
Elevation
646 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.

Fishing Coddle Creek Reservoir

Reservoir Info (USACE NID)

Coddle Creek Reservoir is a man-made reservoir impounded by the Lake Don T. Howell Dam (completed 1993), built primarily for water supply on the Coddle Creek; earth-type dam, 55 ft tall and 2,365 ft long.

Surface area
1,300 ac
Max storage
36,400 ac-ft
Drainage area
47.6 sq mi
Hazard class
High
Owner
Cabarrus County Water & Sewer Authority

Source: USACE National Inventory of Dams, NID ID NC04901 · Operator website

EPA Impairment Status

Coddle Creek Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

pH / acidity

Source: EPA ATTAINS assessment unit NC13-17-6-(1.5)b · Official waterbody report · Matched by proximity (0.35 km)

County Ranking

Ranked #3 of 3 lakes in Cabarrus County

Nearby Lakes With Higher Grades

Coddle Creek Reservoir holds Grade F. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.

Nearby Lakes in Cabarrus County

Frequently asked questions about Coddle Creek Reservoir

Where is Coddle Creek Reservoir?

Coddle Creek Reservoir is a lake in Cabarrus County, North Carolina. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Coddle Creek Reservoir?

Coddle Creek Reservoir in Cabarrus County, North Carolina has a water quality grade of F (Algae-prone). Phosphorus: 30 µg/L. Chlorophyll-a (algae): 32 µg/L. Surface area: 1300 acres.

Is Coddle Creek Reservoir safe to swim in?

The F is nutrients and algae, not a swimming clearance. Coddle Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.

How deep is Coddle Creek Reservoir?

No published bathymetric survey covers Coddle Creek Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 37 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 1300 acres.

Hypereutrophic Lakes in North Carolina

Where this data comes from

46 measurements from 3 monitoring stations, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North Carolina Dept of Environmental Quality NCDEQ-DWR WQX21NC03WQ46 samples · 2021

Analytical methods

  • Phosphorus by Colorimetry
  • 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
  • 2130 B ~ Nephelometric Method
Monitoring station identifiers (3)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)