ZIP Code 75433 Water Quality Report
Cumby, TX · Hopkins County County
Water Safety Grade
Good — Minor issues on record
Health Violations
1
Total Violations
23
Lead Risk
Moderate
Contaminants
1
Active Water Quality Issues Detected
EPA records show 4 unresolved violations. Contact Miller Grove Water Supply Corporation for current status.
About Tap Water in ZIP Code 75433
Tap water in ZIP code 75433 (Cumby, TX) meets all federal safety standards and earns a solid B grade (score: 83/100). Served by Miller Grove Water Supply Corporation, the water system has maintained general compliance with EPA Safe Drinking Water Act regulations, with only minor issues on record.
Water System
Miller Grove Water Supply Corporation
EPA ID: TX1120016
Water Source
Ground Water
Population Served
2,265 residents
County
Hopkins County County, Texas
Lead Levels in ZIP 75433
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Data Not Available
Lead exposure risk in 75433 is rated Moderate. EPA models estimate a 39% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Miller Grove Water Supply Corporation has recorded 1 health-based violation in the past 5 years. A single health violation means the water exceeded an EPA maximum contaminant level (MCL) at some point. Most water systems resolve these quickly, but residents should review the Consumer Confidence Report for details. 4 violations are currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.
Regulatory compliance risk is rated Critical — the highest risk category. Miller Grove Water Supply Corporation has an extensive history of unresolved violations and enforcement actions. Independent water testing is highly recommended.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 1 contaminant associated with health-based violations in ZIP code 75433: Stage 2 DBP Rule. These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.
⚖ 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.
🛡 What Should You Do? — ZIP 75433 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from Miller Grove Water Supply Corporation
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 75433 Water Quality
Is tap water safe to drink in ZIP code 75433?+
What is the lead level in 75433 tap water?+
Who provides tap water to 75433?+
What is the water source for 75433?+
Does 75433 have any active water quality violations?+
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What water filter should I use in 75433?+
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Data Sources & Methodology
Water quality data for ZIP code 75433 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 Miller Grove 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 →