Calhoun County, Texas
SDWIS compliance plate
Sheet TX057 · Calhoun County 22 sys · 2,854 viol · #1561/3254
VIOL-SEVERE · HEALTH-MID · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 95.5% flagged
- HEALTH-MID 22.1% health
- RANK-MID #1561/3254
- PHOTO-FINISH ±0.0 pp
- PFAS-HIGH 100.0% detect
- SRC-GW GW lead 59%
- SYS-SMALL 22 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Matagorda County (+ 0 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Calhoun County ranks #1,561 of 3,254 counties by people served, and #107 of 254 counties in Texas. See methodology · corpus placement.
Calhoun County standing, mid-flagged corpus third
Flagged-system rate 95.5% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 22.1% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,561 of 3,254 · #107 of 254 in Texas.
Flagged-rate neighbourhood around Calhoun County
Lowest/highest poles plus in-state counties nearest Calhoun County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| City of Port Lavaca | 11,545 | 213 | Detected |
| Gbra Calhoun County Rural Water System | 4,482 | 67 | Detected |
| Formosa Point Comfort I | 2,400 | 0 | - |
| City of Seadrift | 1,577 | 92 | - |
| Port Oconnor Improvement District | 1,568 | 56 | - |
| City of Point Comfort | 759 | 123 | - |
| Ucc Seadrift Operations | 683 | 49 | - |
| Ineos Green Lake Plant | 250 | 106 | - |
| Formosa Point Comfort II | 250 | 10 | - |
| Port Alto HOA District 1 | 213 | 187 | - |
| Enchanted Harbor | 198 | 76 | - |
| Shoalwater Flats Association | 171 | 160 | - |
| Port Alto Investments | 162 | 21 | - |
| El Campo Beach Property Owner Assn | 150 | 211 | - |
| Sunilandings Utilities | 144 | 60 | - |
| Seadrift Coke Plant | 110 | 120 | - |
| Port Alto WSC | 96 | 65 | - |
| Machaceks Rockin M RV Park & Campground | 75 | 48 | - |
| Sweetwater RV Campgrounds | 67 | 38 | - |
| Seaport Lakes Subdivision | 42 | 1,048 | - |
| Alcoa Point Comfort Operations | 30 | 39 | - |
| Guadalupe Blanco River Authority | 0 | 65 | - |
Compare beyond Texas
Mid-flagged peers for Calhoun County
Cross-state counties nearest Calhoun County on flagged-system share (95.5%) and cumulative violation count (2,854). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.