Cotile Lake West of Alexandria
Cotile Lake West of Alexandria in Rapides Parish County, Louisiana has a water quality grade of C (Fair). Phosphorus: 50 µg/L. Surface area: 775 acres.
- Area
- 775 acres
- Type
- Eutrophic
- Public access
- Yes
Cotile Lake West of Alexandria is a 775-acre productive, nutrient-rich eutrophic lake in Rapides Parish County, Louisiana. Water quality is graded C based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 3 other monitored lakes in Rapides Parish County, Cotile Lake West of Alexandria ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-07. Grade methodology: LakeGrade methodology.
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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
Water Quality Grade: C (Fair)
No clarity data. Phosphorus level: 50 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 50 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 Cotile Lake West of Alexandria
Compare lakeside cabins, hotels, and vacation rentals near Cotile Lake West of Alexandria in Rapides 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 Cotile Lake West of Alexandria
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 775 acres |
| Public Access | Yes |
No bathymetric survey has been published for Cotile Lake West of Alexandria, so its depth is not documented here.
Recreation & Access
- Cotile Lake (North)Public
- Cotile Lake (South)Public
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Cotile Lake West of Alexandria
Reservoir Info (USACE NID)
Cotile Lake West of Alexandria is a man-made reservoir impounded by the Cotile Lake Dam (completed 1965), built primarily for recreation on the Bayou Jean de Jean; earth-type dam, 47 ft tall and 6,040 ft long.
- Surface area
- 775 ac
- Normal storage
- 25,000 ac-ft
- Max storage
- 49,200 ac-ft
- Drainage area
- 40.75 sq mi
- Hazard class
- High
- Owner
- Rapides Parish Police Jury
Source: USACE National Inventory of Dams, NID ID LA00031 · Operator website · Matched by proximity (0.92 km)
County Ranking
Ranked #2 of 4 lakes in Rapides Parish County
Nearby Lakes in Rapides Parish County
Frequently asked questions about Cotile Lake West of Alexandria
Where is Cotile Lake West of Alexandria?
- Cotile Lake West of Alexandria is a lake in Rapides 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 Cotile Lake West of Alexandria?
- Cotile Lake West of Alexandria in Rapides Parish County, Louisiana has a water quality grade of C (Fair). Phosphorus: 50 µg/L. Surface area: 775 acres.
Is Cotile Lake West of Alexandria safe to swim in?
- Generally safe for swimming, moderate water quality. Cotile Lake West of Alexandria has a water quality grade of C (Fair). Always check local health department advisories before swimming.
Are there boat ramps on Cotile Lake West of Alexandria?
- Cotile Lake West of Alexandria has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Cotile Lake (North), Cotile Lake (South). Public access is listed as yes.
Explore Cotile Lake West of Alexandria across LakeGrade
More Louisiana Lake Rankings
Other Grade C Lakes in Louisiana
Natchitoches Parish County · Fair
Vernon Parish County · Fair
Evangeline Parish County · Fair
LaSalle Parish County · Fair
Catahoula Parish County · Fair
Jackson Parish County · Fair
Eutrophic Lakes in Louisiana
Where this data comes from
21 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX21 samples · 2021–2022
Analytical methods
- Total Phosphorus After Block Digestion
- 2130 B ~ Nephelometric Method
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
Named boat-access points from the USGS National Boat Ramps inventory