Research / HarrisDischargePermitPulse
Harris County TX Discharge Permits & DMRs Due by Facility: 2026 statistics from 369 public records
The most common designation is Minor discharger: 249 of 369 records (67.5%) (as of 2026-10-28; source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)).
Data as of · Compiled by Zalwin from Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)
Key findings
- Zalwin's HarrisDischargePermitPulse dataset holds 369 HarrisDischargePermitPulse records dated 2026-09-30 to 2026-09-30 (as of 2026-10-28; source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)). #
- The most common designation is Minor discharger: 249 of 369 records (67.5%) (as of 2026-10-28; source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)). #
- Across 369 records with a stated outfalls, the total is 632 and the median is 1; the largest is 23 (Equistar Chemicals La Porte Complex) (as of 2026-10-28; source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)). #
- The top 10% of records by outfalls (37 of 369) account for 31.5% of the total (as of 2026-10-28; source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov)). #
HarrisDischargePermitPulse records by designation
| Group | Records | Share |
|---|---|---|
| Minor discharger | 249 | 67.5% |
| Major discharger | 120 | 32.5% |
Methodology and data provenance
- Sample: 369 public records dated 2026-09-30 to 2026-09-30; illustrative samples excluded.
- Source: Harris County Discharge Monitoring Reports (DMR) facility list (data.texas.gov). Refreshed automatically about every 168 hours; figures above are as of 2026-10-28.
- Shares are of all records in the dataset; totals and medians use only records with a stated outfalls.
- Organization-level data only. Informational; verify individual records at the official source.
Cite this study
Zalwin Research, "HarrisDischargePermitPulse statistics" (data as of 2026-10-28), https://zalwin.com/research/harrisdischargepermitpulse
Search the HarrisDischargePermitPulse records Browse by state and category