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Counties → Texas

San Jacinto County, Texas

SDWIS compliance plate

Sheet TX407 · San Jacinto County 38 sys · 2,374 viol · #1279/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 94.7% flagged
  • HEALTH-MID 43.6% health
  • RANK-UPPER #1279/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-HIGH 100.0% detect
  • SRC-GW GW lead 100%
  • SYS-SMALL 38 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Dallas County ( -0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, San Jacinto County ranks #1,279 of 3,254 counties by people served, and #88 of 254 counties in Texas. See methodology · corpus placement.

San Jacinto County standing, mid-flagged corpus third

Flagged-system rate 94.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 43.6% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 100.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,279 of 3,254 · #88 of 254 in Texas.

Flagged-rate neighbourhood around San Jacinto County

Lowest/highest poles plus in-state counties nearest San Jacinto County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Howard · lowest Dallas · near San Patricio · near Bee · highest 66.7% 94.4% 94.6% 94.7% 95% 95.2% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
San Jacinto Sud 3,993 30 Detected
City of Shepherd 3,411 186 -
One Five O WSC 3,094 6 -
Dodge Oakhurst WSC 2 2,500 117 -
Mercy WSC 2,458 6 -
Holiday Villages of Livingston 2,272 81 -
Pb & SC Water Supply Corporation 2,163 742 -
Cape Royale Utility District 2,154 32 -
Waterwood MUD 1 1,494 108 -
Trails End Subdivision 1,444 38 -
Lake Livingston Northwoods 1,159 21 -
Lake Livingston Holiday Shores 1 2 3 939 15 -
Camilla WSC 861 11 -
Lake Livingston Lake Run a Muck 740 26 -
Camp Strake WTP 501 12 -
Tra Wolf Creek Park 500 44 -
Governors Point 463 10 -
Camilla Twin Harbor 399 7 -
Coldspring Terrace Water System 366 6 -
Cedar Valley Subdivision 262 18 -
Lake Livingston Tejas 222 36 -
Lake Waterwheel Estates 201 34 -
Camilla Coves 180 20 -
Lake Livingston Cozy Forest 173 31 -
Lake Livingston Holiday Shores 4 162 24 -
Lake Livingston Paradise Cove 162 4 -
Lake Livingston Flowing Wells 144 12 -
Made in the Shade RV Park 123 5 -
Tanglewood Forest Subdivision 118 251 -
Lake Livingston Wild Bird Country Water 107 3 -
Lakeview Hills POA 93 7 -
Shepherd Hills Estates 75 2 -
Wildwood Estates Subdivision Water Syste 69 186 -
Emerald Estates 48 222 -
Olde Magnolia Place RV Park 45 17 -
Rocky Creek RV Park 36 0 -
Deep Waters RV Park 30 4 -
Saryu Eleanor Spring 25 0 -

Compare beyond Texas

Mid-flagged peers for San Jacinto County

Cross-state counties nearest San Jacinto County on flagged-system share (94.7%) and cumulative violation count (2,374). 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.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

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.