Sample data · no sign-up
Disclosure-controlled report
Total consumption by customer class
Water — District · Greenvale Water District (synthetic)
Generated 2026-07-22 11:12
Grouping 2250 meter reads into 3 customer class groups, 1 were safe to publish and 2 were withheld under the disclosure-control rules below. 76.4% of records and 1.8% of total total consumption remain in the published output, with a worst-case re-identification risk of 1% (Low).
Analysis summary
0.966
Gini (consumption inequality)
Gini 1912; Lorenz 1905
380 CCF
Median annual use / account
descriptive statistics
71.1%
Weather-sensitive (heating-driven)
ASHRAE G14; PRISM · EIA/NOAA
59.4%
Outdoor/irrigation use
EPA WaterSense; AWWA; WRF
Methods & authorities
-
Minimum-count (k-anonymity) — 1 group withheld
(triggered by your minimum group size k = 15).
Sweeney, k-anonymity (2002); ESSnet/Eurostat SDC Handbook §3 · Meets/exceeds: CA CPUC D.14-05-016 ("15/15"); IL 220 ILCS 33
-
(n,k)-dominance — 1 group withheld
(triggered by your top-1 dominance limit p = 15%).
ESSnet/Eurostat SDC Handbook §5.2 (Hundepool et al.)
-
PII handling — identifiers are excluded from the analytic
path; only disclosure-controlled aggregates are reported.
NIST SP 800-122; NISTIR 8053
Published results
| Customer class | Total consumption (CCF) | Contributors | Status |
|---|---|---|---|
| INDUSTRIAL | * | — | Withheld |
| COMMERCIAL | * | — | Withheld |
| RESIDENTIAL | 87,148 | 191 | Published |
Synthetic sample data — for demonstration, not distribution. Generated by UnitTrack, a Polish Clover Solutions product.