Cypress Bayou Reservoir Southeast of Benton
Cypress Bayou Reservoir Southeast of Benton in Bossier Parish County, Louisiana has a water quality grade of C (Fair). Phosphorus: 52 µg/L. Surface area: 750 acres.
- Area
- 750 acres
- Type
- Eutrophic
Cypress Bayou Reservoir Southeast of Benton is a 750-acre productive, nutrient-rich eutrophic lake in Bossier Parish County, Louisiana. Water quality is graded C based on 1 sampling years through 2023. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Bossier Parish County, Cypress Bayou Reservoir Southeast of Benton ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2023-10-18. Grade methodology: LakeGrade methodology.
Watch Cypress Bayou Reservoir Southeast of Benton water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLimited 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.
Generally safe for swimming, moderate water quality
Get alerts for Cypress Bayou Reservoir Southeast of Benton →
Water Quality Grade: C (Fair)
No clarity data. Phosphorus level: 52 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 52 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Cypress Bayou Reservoir Southeast of Benton
Compare lakeside cabins, hotels, and vacation rentals near Cypress Bayou Reservoir Southeast of Benton in Bossier Parish County, Louisiana — 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 Cypress Bayou Reservoir Southeast of Benton
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 750 acres |
No bathymetric survey has been published for Cypress Bayou Reservoir Southeast of Benton, so its depth is not documented here.
Recreation & Access
- Cypress Lake DamSemi-private
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Cypress Bayou Reservoir Southeast of Benton
Reservoir Info (USACE NID)
Cypress Bayou Reservoir Southeast of Benton is a man-made reservoir impounded by the Cypress Black Bayou Site 2 (completed 1978), built primarily for irrigation on the Black Bayou; earth-type dam, 41 ft tall and 4,800 ft long.
- Surface area
- 750 ac
- Normal storage
- 6,600 ac-ft
- Max storage
- 18,000 ac-ft
- Drainage area
- 25.6 sq mi
- Hazard class
- High
- Owner
- Cypress Black Bayou Recreation and Water Conservation District
Source: USACE National Inventory of Dams, NID ID LA00347 · Operator website · Matched by proximity (0.48 km)
EPA Impairment Status
Cypress Bayou Reservoir Southeast of Benton is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit LA100404_00 · Official waterbody report · Matched by proximity (0 km)
County Ranking
Ranked #1 of 2 lakes in Bossier Parish County
Nearby Lakes in Bossier Parish County
Frequently asked questions about Cypress Bayou Reservoir Southeast of Benton
Where is Cypress Bayou Reservoir Southeast of Benton?
- Cypress Bayou Reservoir Southeast of Benton is a lake in Bossier Parish County, Louisiana. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Cypress Bayou Reservoir Southeast of Benton?
- Cypress Bayou Reservoir Southeast of Benton in Bossier Parish County, Louisiana has a water quality grade of C (Fair). Phosphorus: 52 µg/L. Surface area: 750 acres.
Is Cypress Bayou Reservoir Southeast of Benton safe to swim in?
- Generally safe for swimming, moderate water quality. Cypress Bayou Reservoir Southeast of Benton has a water quality grade of C (Fair). Always check local health department advisories before swimming.
Are there boat ramps on Cypress Bayou Reservoir Southeast of Benton?
- Cypress Bayou Reservoir Southeast of Benton has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Cypress Lake Dam.
Explore Cypress Bayou Reservoir Southeast of Benton across LakeGrade
More Louisiana Lake Rankings
Other Grade C Lakes in Louisiana
Webster Parish County · Fair
Bienville Parish County · Fair
Claiborne Parish County · Fair
Natchitoches Parish County · Fair
Jackson Parish County · Fair
Vernon Parish County · Fair
Eutrophic Lakes in Louisiana
Where this data comes from
34 measurements from 1 monitoring station, 2022–2023. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX34 samples · 2022–2023
Analytical methods
- Total Phosphorus After Block Digestion
- 2130 B ~ Nephelometric Method
- 2120 B ~ Color in Water by Visual Comparison
Monitoring station identifiers (1)
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
Named boat-access points from the USGS National Boat Ramps inventory