Little Black Creek Reservoir
Lamar County, Mississippi600 acresView mapDirections
MDEQ publishes the water-quality measurements for Little Black Creek Reservoir. Here is what has been measured.
- Eutrophic
- Public access
Little Black Creek Reservoir in Lamar County, Mississippi has water-quality measurements published by MDEQ, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 70 µg/L. Chlorophyll-a (algae): 7.7 µg/L. Surface area: 600 acres.
Little Black Creek Reservoir is a 600-acre productive, nutrient-rich eutrophic lake in Lamar County, Mississippi. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Lamar County, Little Black Creek Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-29. Methodology: how these readings are compared.
What Little Black Creek Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyModerate algae
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 Little Black Creek Reservoir is safe to swim in today is a call for the Mississippi Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Little Black Creek Reservoir
These are the measurements MDEQ publishes for Little Black Creek Reservoir, 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 4.3 ft. Phosphorus 70 µg/L. Chlorophyll-a 7.7 µg/L. TSI 57.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 70µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 7.7µg/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. | 57 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Little Black Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
600 acres
Public access
Yes
Listed by MDEQ
No bathymetric survey has been published for Little Black Creek Reservoir, so its depth is not documented here.
Recreation & Access
- Little Black Creek Water ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing Little Black Creek Reservoir
Reservoir Info (USACE NID)
Little Black Creek Reservoir is a man-made reservoir impounded by the Little Black Creek Water Park Dam (completed 1971), built primarily for recreation; earth-type dam, 18 ft tall.
- Surface area
- 600 ac
- Normal storage
- 1,500 ac-ft
- Max storage
- 3,500 ac-ft
- Drainage area
- 16.2 sq mi
- Hazard class
- High
- Owner
- PAT HARRISION WATERWAY DISTRICT
Source: USACE National Inventory of Dams, NID ID MS00712 · Operator website · Matched by proximity (0.12 km)
Nearby Lakes in Lamar County
Frequently asked questions about Little Black Creek Reservoir
Where is Little Black Creek Reservoir?
- Little Black Creek Reservoir is a lake in Lamar County, Mississippi. Its water-quality measurements are published by MDEQ and shown on this page as reported.
What is the water quality of Little Black Creek Reservoir?
- Little Black Creek Reservoir in Lamar County, Mississippi has water-quality measurements published by MDEQ, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 70 µg/L. Chlorophyll-a (algae): 7.7 µg/L. Surface area: 600 acres.
Is Little Black Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Little Black Creek Reservoir?
- Little Black Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Little Black Creek Water Park. Public access is listed as yes.
Can I fish at Little Black Creek Reservoir?
- Little Black Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Mississippi's fish and wildlife agency, so check its current regulations before you go.
Explore Little Black Creek Reservoir across LakeQuality
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Where this data comes from
98 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY
21MSWQ_WQX98 samples · 2020–2025
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
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
Named boat-access points from the USGS National Boat Ramps inventory