Sample data · no sign-up
Disclosure-controlled report
Total consumption by census tract
Gas — Metro · Harbor City Gas (synthetic)
Generated 2026-07-22 12:13
Grouping 14400 meter reads into 75 census tract groups, 7 were safe to publish and 68 were withheld under the disclosure-control rules below. 13.3% of records and 2.4% of total total consumption remain in the published output, with a worst-case re-identification risk of 5% (Low).
Analysis summary
0.852
Gini (consumption inequality)
Gini 1912; Lorenz 1905
1953 therms
Median annual use / account
descriptive statistics
39.2%
Weather-sensitive (heating-driven)
ASHRAE G14; PRISM · EIA/NOAA
93.8
Median EUI (kBtu/ft²/yr)
EPA ENERGY STAR; DOE/EIA CBECS
72.6%
Seasonal use
EPA WaterSense; AWWA; WRF
Methods & authorities
-
Minimum-count (k-anonymity) — 41 groups 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 — 27 groups 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
| Census tract | Total consumption (therms) | Contributors | Status |
|---|---|---|---|
| (no location) | * | — | Withheld |
| Tract 9.02 | * | — | Withheld |
| Tract 23.04 | * | — | Withheld |
| Tract 11.03 | * | — | Withheld |
| Tract 23.14 | * | — | Withheld |
| Tract 21.11 | * | — | Withheld |
| Tract 9.01 | * | — | Withheld |
| Tract 14.02 | * | — | Withheld |
| Tract 23.16 | * | — | Withheld |
| Tract 13.12 | * | — | Withheld |
| Tract 23.25 | * | — | Withheld |
| Tract 23.27 | * | — | Withheld |
| Tract 8.04 | * | — | Withheld |
| Tract 8.02 | * | — | Withheld |
| Tract 24.48 | * | — | Withheld |
| Tract 23.15 | * | — | Withheld |
| Tract 14.01 | * | — | Withheld |
| Tract 13.10 | * | — | Withheld |
| Tract 4.02 | * | — | Withheld |
| (outside area) | * | — | Withheld |
| Tract 7 | * | — | Withheld |
| Tract 23.23 | * | — | Withheld |
| Tract 23.13 | * | — | Withheld |
| Tract 10 | 87,257 | 25 | Published |
| Tract 12 | * | — | Withheld |
| Tract 8.01 | * | — | Withheld |
| Tract 5 | * | — | Withheld |
| Tract 24.47 | * | — | Withheld |
| Tract 23.26 | * | — | Withheld |
| Tract 13.09 | * | — | Withheld |
| Tract 11.01 | * | — | Withheld |
| Tract 23.07 | * | — | Withheld |
| Tract 13.08 | * | — | Withheld |
| Tract 23.20 | * | — | Withheld |
| Tract 8.03 | * | — | Withheld |
| Tract 4.01 | 47,386 | 24 | Published |
| Tract 21.09 | * | — | Withheld |
| Tract 24.11 | 43,255 | 27 | Published |
| Tract 13.11 | 38,892 | 19 | Published |
| Tract 19.23 | * | — | Withheld |
| Tract 16.02 | 36,204 | 20 | Published |
| Tract 16.05 | * | — | Withheld |
| Tract 13.04 | 32,949 | 20 | Published |
| Tract 24.03 | 32,540 | 25 | Published |
| Tract 3.09 | * | — | Withheld |
| Tract 13.07 | * | — | Withheld |
| Tract 3.08 | * | — | Withheld |
| Tract 23.21 | * | — | Withheld |
| Tract 11.02 | * | — | Withheld |
| Tract 23.24 | * | — | Withheld |
| Tract 21.10 | * | — | Withheld |
| Tract 20.03 | * | — | Withheld |
| Tract 3.07 | * | — | Withheld |
| Tract 16.03 | * | — | Withheld |
| Tract 14.03 | * | — | Withheld |
| Tract 6.05 | * | — | Withheld |
| Tract 16.04 | * | — | Withheld |
| Tract 9800 | * | — | Withheld |
| Tract 6.01 | * | — | Withheld |
| Tract 19.11 | * | — | Withheld |
| Tract 21.07 | * | — | Withheld |
| Tract 23.10 | * | — | Withheld |
| Tract 20.06 | * | — | Withheld |
| Tract 23.22 | * | — | Withheld |
| Tract 6.07 | * | — | Withheld |
| Tract 24.13 | * | — | Withheld |
| Tract 24.43 | * | — | Withheld |
| Tract 24.44 | * | — | Withheld |
| Tract 19.10 | * | — | Withheld |
| Tract 6.06 | * | — | Withheld |
| Tract 2.04 | * | — | Withheld |
| Tract 20.07 | * | — | Withheld |
| Tract 20.02 | * | — | Withheld |
| Tract 3.02 | * | — | Withheld |
| Tract 19.19 | * | — | Withheld |
Synthetic sample data — for demonstration, not distribution. Generated by UnitTrack, a Polish Clover Solutions product.