ZIP Code 75643 Water Quality & Testing Report
Gary, TX · Panola County County · Updated for 2026
Is Tap Water Safe to Drink in ZIP 75643 (Gary, TX)?
Caution / Filtration Recommended: Tap water in ZIP code 75643 (Gary, TX) has compliance concerns, earning an EPA Safety Grade of C (66/100) due to 22 health violation(s) and 3.8 ppb lead. While treated by Gary Water Supply Corporation, residents are advised to use an NSF/ANSI 53 certified water filter for drinking and cooking.
Water Safety Grade
Fair — Some compliance concerns
Health Violations
22
Total Violations
58
Lead Risk
High
Contaminants
4
Active Water Quality Issues Detected
EPA records show 19 unresolved violations. Contact Gary Water Supply Corporation for current status.
About Tap Water in ZIP Code 75643
Tap water in ZIP code 75643 (Gary, TX) is distributed by Gary Water Supply Corporation (EPA ID: TX1830008), serving approximately 1,050 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of C with a composite quality score of 66/100.
Water System
Gary Water Supply Corporation
EPA ID: TX1830008
Water Source
Ground Water
Population Served
1,050 residents
County
Panola County County, Texas
Lead Levels in ZIP 75643
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 3.8 ppb — Very Low
Lead exposure risk in 75643 is rated High. EPA models estimate a 60% exposure probability based on housing and infrastructure age.
EPA action level: 1.3 mg/L
EPA model estimate based on housing age and infrastructure
Water Hardness & Mineral Content
Grains per gallon (GPG) & Parts per million (PPM / mg/L)
Water in ZIP 75643 is Very Hard (246 mg/L / 14.4 GPG). High concentrations of dissolved limestone minerals cause severe mineral buildup, stiff laundry, dry skin, and premature water heater wear.
Grains per gallon
Parts per million CaCO3
Official EPA SDWIS Database Entry
Utility: Gary Water Supply Corporation · PWSID: TX1830008
Violation History
Past 5 years — EPA SDWIS data
Gary Water Supply Corporation has recorded 22 health-based violations out of 58 total violations over the past 5 years. 19 violations remain unresolved in EPA tracking records.
Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 4 contaminants with health-based violations in the past 5 years: Haloacetic Acids (HAA5), Consumer Confidence Report Rule, Stage 1 DBP Rule, Stage 2 DBP Rule.
⚖ Enforcement Actions
Water Source & Environmental Factors
Ground Water
This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.
Lower potential
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
Water Quality Testing in ZIP 75643
Tap Water & Well Testing Recommendations
Residents in ZIP code 75643 served by Gary Water Supply Corporation can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.
Tap Water Testing Steps
- 1.Conduct a certified lead check if your home was constructed before 1986.
- 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
- 3.Sample water from both your kitchen faucet and water heater to compare line purity.
Private Well Testing Steps
- •Test for Coliform bacteria and Nitrates annually.
- •Test for heavy metals, radon, and PFAS every 3 years.
- •Send samples to a state-certified drinking water laboratory recognized by Texas Commission on Environmental Quality (TCEQ).
🛡 What Should You Do? — ZIP 75643 Recommendations
Some compliance concerns — take precautions
- ⚠ Use a certified NSF/ANSI 53 filter for drinking and cooking water if you have young children
- ⚠ Never give unfiltered tap water to infants in formula — use certified bottled or filtered water
- ⚠ Request a copy of the Consumer Confidence Report to see what was detected and when
- ⚠ Call the EPA Safe Drinking Water Hotline: 1-800-426-4791
Recommended Water Treatment Systems:
NSF 53 Lead Pitcher Filter
Specifically certified to reduce lead and copper at the tap.
NSF 58 Under-Sink RO System
Advanced filtration for PFAS, fluoride, nitrates, and organic chemicals.
Frequently Asked Questions — ZIP 75643 Water Quality
Is tap water safe to drink in ZIP code 75643?+
How do I get my water tested in ZIP 75643 (Gary, TX)?+
How hard is the tap water in 75643?+
Should I test private well water in 75643?+
What is the lead level in 75643 tap water?+
Is there an active boil water notice in 75643?+
Who provides tap water to 75643?+
What water filter should I use in 75643?+
Data Sources & Methodology
Water quality data for ZIP code 75643 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Gary Water Supply Corporation. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →