Nantachie Creek Southeast of Montgomery Lake
Nantachie Creek Southeast of Montgomery Lake in Grant Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 64 µg/L. Surface area: 1580 acres.
- Area
- 1,580 acres
- Type
- Eutrophic
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Nantachie Creek Southeast of Montgomery Lake →
Nantachie Creek Southeast of Montgomery Lake is a 1,580-acre productive, nutrient-rich eutrophic lake in Grant Parish County, Louisiana. Water quality is graded D based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 1 other monitored lakes in Grant Parish County, Nantachie Creek Southeast of Montgomery Lake 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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Get alerts for Nantachie Creek Southeast of Montgomery Lake →
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 64 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 64 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Nantachie Creek Southeast of Montgomery Lake
Compare lakeside cabins, hotels, and vacation rentals near Nantachie Creek Southeast of Montgomery Lake in Grant 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Nantachie Creek Southeast of Montgomery Lake are listed below.
Top-rated places to stay near Nantachie Creek Southeast of Montgomery Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,580 acres |
| Public Access | Yes |
No bathymetric survey has been published for Nantachie Creek Southeast of Montgomery Lake, so its depth is not documented here.
Recreation & Access
- IP RoadPublic
- Dam SitePublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Nantachie Creek Southeast of Montgomery Lake
Reservoir Info (USACE NID)
Nantachie Creek Southeast of Montgomery Lake is a man-made reservoir impounded by the Nantachie Lake Dam (completed 1964), built primarily for recreation on the Nantachie Creek; earth-type dam, 41 ft tall and 1,150 ft long.
- Surface area
- 1,580 ac
- Normal storage
- 11,200 ac-ft
- Max storage
- 35,500 ac-ft
- Drainage area
- 84 sq mi
- Hazard class
- Low
- Owner
- State of Louisiana
Source: USACE National Inventory of Dams, NID ID LA00025 · Operator website · Matched by proximity (0.2 km)
EPA Impairment Status
Nantachie Creek Southeast of Montgomery Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit LA100902_00 · Official waterbody report · Matched by proximity (0 km)
County Ranking
Ranked #2 of 2 lakes in Grant Parish County
Nearby Lakes in Grant Parish County
Frequently asked questions about Nantachie Creek Southeast of Montgomery Lake
Where is Nantachie Creek Southeast of Montgomery Lake?
- Nantachie Creek Southeast of Montgomery Lake is a lake in Grant Parish County, Louisiana. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Nantachie Creek Southeast of Montgomery Lake?
- Nantachie Creek Southeast of Montgomery Lake in Grant Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 64 µg/L. Surface area: 1580 acres.
Is Nantachie Creek Southeast of Montgomery Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Nantachie Creek Southeast of Montgomery Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Are there boat ramps on Nantachie Creek Southeast of Montgomery Lake?
- Nantachie Creek Southeast of Montgomery Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include IP Road, Dam Site. Public access is listed as yes.
Explore Nantachie Creek Southeast of Montgomery Lake across LakeGrade
More Louisiana Lake Rankings
Other Grade D Lakes in Louisiana
LaSalle Parish County · Nutrient-rich
Beauregard Parish County · Nutrient-rich
Richland Parish County · Nutrient-rich
Catahoula Parish County · Nutrient-rich
Franklin Parish County · Nutrient-rich
Catahoula Parish County · Nutrient-rich
Eutrophic Lakes in Louisiana
Where this data comes from
22 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_WQX22 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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory