Lake Moultrie
Berkeley County, South CarolinaView mapDirections
SCDHEC publishes the water-quality measurements for Lake Moultrie. Here is what has been measured.
- Eutrophic
- Limited data
Lake Moultrie in Berkeley County, South Carolina has water-quality measurements published by SCDHEC, shown here as reported. Water clarity: 4.9 ft visibility. Chlorophyll-a (algae): 8.7 µg/L.
Lake Moultrie is a productive, nutrient-rich eutrophic lake in Berkeley County, South Carolina. Overall water quality is improving over recent sampling years. Compared to the 28 other monitored lakes in Berkeley County, Lake Moultrie ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, SCDES, last sampled 2019-12-09. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited 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 Lake Moultrie is safe to swim in today is a call for the South Carolina Department of Health and Environmental Control and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Moultrie
These are the measurements SCDHEC publishes for Lake Moultrie, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.9 ft. Chlorophyll-a 8.7 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 8.7µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Moultrie
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Lake Moultrie
Compare lakeside cabins, hotels, and vacation rentals near Lake Moultrie in Berkeley County, South 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.
Top-rated places to stay near Lake Moultrie
Prices for Oct 2–4, 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.
Follow Lake Moultrie’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Moultrie
Water quality readings over time
2 seasons of samples on record (2023–2025). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Improving-2.5 µg/L/yr2 years
Chlorophyll-a
Improving-2.3 µg/L/yr2 years
Nearby Lakes in Berkeley County
Frequently asked questions about Lake Moultrie
Where is Lake Moultrie?
- Lake Moultrie is a lake in Berkeley County, South Carolina. Its water-quality measurements are published by SCDHEC and shown on this page as reported.
What is the water quality of Lake Moultrie?
- Lake Moultrie in Berkeley County, South Carolina has water-quality measurements published by SCDHEC, shown here as reported. Water clarity: 4.9 ft visibility. Chlorophyll-a (algae): 8.7 µg/L.
Is Lake Moultrie safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Moultrie across LakeQuality
More lakes in South Carolina
Other Lakes in South Carolina
Eutrophic Lakes in South Carolina
Where this data comes from
65 measurements from 3 monitoring stations, 2018–2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples65 samples · 2018–2019
Monitoring station identifiers (3)
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.