Lake Concord is a productive, nutrient-rich eutrophic lake in Cabarrus County, North Carolina. Water quality is graded D based on 2 sampling years through 2021. Compared to the 2 other monitored lakes in Cabarrus County, Lake Concord ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, North Carolina DNR, last sampled 2021-09-14. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 40 µg/L. Chlorophyll-a: 30 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 40 µg/L | C |
| Chlorophyll-a (Algae) | 30 µg/L | F |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Lake Concord
Location
County Ranking
Ranked #2 of 3 lakes in Cabarrus County
Cleaner Lakes Within 30 Miles
Lake Concord holds Grade D. 4 nearby lakes hold higher grades.
- BMountain Island LakeGaston County · 22.3 mi · Two grade letters higher (D → B)
- CLake FisherCabarrus County · 1.4 mi · Higher grade (D → C)
- CKannapolis LakeRowan County · 4.1 mi · Higher grade (D → C)
- CTuckertown ReservoirRowan County · 22.7 mi · Higher grade (D → C)
Nearby Lakes in Cabarrus County
Explore Lake Concord across LakeGrade
More North Carolina Lake Rankings
Top 25 by overall water quality score
Top 25 by Secchi water clarity
Grade A/B + low algae filter
Panfish-rich, public access
Full state directory
Other Grade D Lakes in North Carolina
Eutrophic Lakes in North Carolina
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-09-14
Monitoring stations: 3