reported paired stormwater-storage planning quantities; do not treat the rounded ft³ and gallon figures as an exact conversion or a universal one-acre requirement
source reports >500,000 ft³ and >4M gallons (separately rounded)observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Exact conversion: 500,000 ft³ is about 3.74M US gal. Required storage is jurisdiction-, site-, rainfall-, soil- and design-specific. |
| As of | 2025 |
| Source | Informed Infrastructure (Atlanta case) · Atlanta project example; reports more than 500,000 cubic feet, or more than 4 million gallons, of post-construction storage |
| Review | checking…review by 2026-11-06 · standard cadence |
| Recorded changes | last 2026-08-24 · 2 revisions tracked |
| Claim id | post-construction-stormwater-storage-required |
Where the guide uses it
Not quoted in a chapter yet; it is kept in the curated register.
← Full numbers register — every date-stamped figure in the guide, with revision history.