Iberia Parish County Lake Quality
Louisiana, 1 lake — no lake here has enough monitoring data for a grade
Iberia Parish County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Spanish Lake Southwest of Delacroix (—); the most-stressed is Spanish Lake Southwest of Delacroix (—).
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Quick Answers for Iberia Parish County
Planning a trip? Check special fishing regulations for Spanish Lake Southwest of Delacroix — or check the official Louisiana fishing regulations.
All Lakes in Iberia Parish County
1 lake · 0 graded, 1 not rated0 graded lakes · 1 not rated, hidden
| # | Lake | Grade | Clarity | Phosphorus | Algae | Trophic | Access |
|---|---|---|---|---|---|---|---|
| NRSpanish Lake Southwest of DelacroixIberia Parish | NR | No recent samples | 260 µg/L | No recent samples | No recent samples | Not recorded |
NR = not rated: the monitoring record does not meet the evidence bar for a grade. That is EPA Integrated Reporting Category 3 (insufficient information), not a failing grade. How grading works.
Lake Match
Which lake suits how you actually use one?
Six questions — swimming, fishing, quiet, cabins, drive time — and a shortlist of graded lakes that fit, with the water quality behind each one.
Other Counties in Louisiana
See how Iberia Parish County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 49 states and 2 Canadian provinces.
Source: EPA National Aquatic Resource Surveys, 2026.