County · Texas
Harrison County, Texas: drinking water records
This overview covers 11 ZIP codes and 24 community water systems in Harrison County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| City of Marshall TX1020002 | 23,091 | 95 | 1 | 4 | 2.1 ppb |
| Leigh Wsc-Rural TX1020022 | 6,164 | 120 | 0 | 3 | 0 ppb |
| Harleton WSC TX1020074 | 4,107 | 240 | 5 | 4 | 0 ppb |
| Gum Springs WSC 2 TX1020081 | 7,815 | 120 | 1 | 0 | 0 ppb |
| City of Hallsville TX1020004 | 5,580 | 120 | 1 | 0 | 0 ppb |
| Gum Springs WSC 1 TX1020026 | 3,564 | 0 | 0 | 1 | 2.1 ppb |
| Gill WSC TX1020021 | 2,640 | 0 | 0 | 8 | 0 ppb |
| West Harrison WSC TX1020078 | 1,845 | 0 | 0 | 1 | 0 ppb |
| Talley WSC TX1020023 | 1,737 | 0 | 0 | 1 | 0 ppb |
| North Harrison WSC TX1020018 | 1,575 | 0 | 0 | 5 | 0 ppb |
| Cypress Valley WSC Plant 1 TX1020020 | 771 | 0 | 0 | 3 | 0 ppb |
| Cypress Valley WSC Plant 2 TX1020088 | 705 | 0 | 0 | 26 | 0 ppb |
| Cvws Site 1 TX1020047 | 426 | 0 | 0 | 6 | 0 ppb |
| Shadowood Water Co TX1020011 | 400 | 0 | 0 | 1 | 0 ppb |
| Clearwater Distribution TX1020063 | 303 | 0 | 0 | 20 | 0 ppb |
| Old Town WSC TX1020067 | 114 | 0 | 0 | 1 | 3.2 ppb |
| Johnson Mobile Home Park TX1020080 | 60 | 0 | 0 | 1 | 0 ppb |
| North Park Mobile Home Park TX1020095 | 48 | 0 | 0 | 1 | 0 ppb |
| City of Waskom TX1020003 | 2,923 | 0 | 0 | 0 | 0 ppb |
| Blocker Crossroads WSC TX1020077 | 1,836 | 0 | 0 | 0 | 0 ppb |
| Caddo Lake WSC TX1020019 | 1,230 | 0 | 0 | 0 | 0 ppb |
| Elysian Fields WSC TX1020014 | 1,098 | 0 | 0 | 0 | 0 ppb |
| Waskom Rural WSC TX1020054 | 1,098 | 0 | 0 | 0 | 0 ppb |
| Holiday Springs Mobile Home Park TX1020028 | 252 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Harrison County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.