National Petroleum Chemical Company Plant Reservoir
National Petroleum Chemical Company Plant Reservoir in Douglas County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 25 acres.
- Area
- 25 acres
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Why National Petroleum Chemical Company Plant Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For National Petroleum Chemical Company Plant Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by Illinois EPA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
National Petroleum Chemical Company Plant Reservoir is a 25-acre lake in Douglas County, Illinois.
Source: EPA Water Quality Portal sampling records, Illinois EPA, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
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Water quality measurements for National Petroleum Chemical Company Plant Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near National Petroleum Chemical Company Plant Reservoir
Compare lakeside cabins, hotels, and vacation rentals near National Petroleum Chemical Company Plant Reservoir in Douglas County, Illinois — 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.
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 25 acres |
No bathymetric survey has been published for National Petroleum Chemical Company Plant Reservoir, so its depth is not documented here.
Fishing National Petroleum Chemical Company Plant Reservoir
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Frequently asked questions about National Petroleum Chemical Company Plant Reservoir
Where is National Petroleum Chemical Company Plant Reservoir?
- National Petroleum Chemical Company Plant Reservoir is a lake in Douglas County, Illinois. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for National Petroleum Chemical Company Plant Reservoir?
- National Petroleum Chemical Company Plant Reservoir in Douglas County, Illinois is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 25 acres.
Is National Petroleum Chemical Company Plant Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. National Petroleum Chemical Company Plant Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for National Petroleum Chemical Company Plant Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.