Rock Hill Water Supply Corporation
EPA ID: TX1830014 · 1,062 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Rock Hill Water Supply Corporation (TX1830014): 4 past health-based violations, since resolved. Although 5 violations appeared on Rock Hill Water Supply Corporation's record, all have been remedied - currently compliant, 1,062 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Rock Hill Water Supply Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Rock Hill Water Supply Corporation serves a community with a median household income of $81,875 and an estimated 7,317 residents across its service area. Approximately 42% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Rock Hill Water Supply Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Rock Hill Water Supply Corporation compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 4 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Texas
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Rock Hill Water Supply Corporation (EPA ID: TX1830014) is a community water system in Texas that serves approximately 1,062 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 4 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2026 | Haloacetic Acids (HAA5) | Health-based | Archived |
| October 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
| July 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
| May 31, 2025 | Lead and Copper Rule | Non-health-based | Resolved |
| April 1, 2025 | Haloacetic Acids (HAA5) | Health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | Yes |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by TX or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Rock Hill Water Supply Corporation (TX1830014) on EPA.gov.
Frequently Asked Questions
Is Rock Hill Water Supply Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Rock Hill Water Supply Corporation; its 5 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Rock Hill Water Supply Corporation serve?
Rock Hill Water Supply Corporation serves approximately 1,062 people across 2 ZIP codes in Texas.
Where does Rock Hill Water Supply Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rock Hill Water Supply Corporation (TX): 4 Health Violations. https://zipcheckup.com/water-system/tx1830014/
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author = {{ZipCheckup}},
title = {{Rock Hill Water Supply Corporation (TX): 4 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tx1830014/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Rock Hill Water Supply Corporation (EPA ID: TX1830014) - request the latest Consumer Confidence Report or ask about specific contaminants.