Hollow Rock Water Department
EPA ID: TN0000310 · 954 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Hollow Rock Water Department (TN0000310): 1 EPA violation in the last five years. The five-year EPA compliance file for Hollow Rock Water Department contains 1 violation, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 954 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Hollow Rock Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Hollow Rock Water Department serves a community with a median household income of $42,167 and an estimated 4,261 residents across its service area. Approximately 60% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 86% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Hollow Rock Water Department'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 Hollow Rock Water Department compares to EPA limits
What This Means For You
Lead at 1 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Tennessee
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
Hollow Rock Water Department (EPA ID: TN0000310) is a community water system in Tennessee that serves approximately 954 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 1 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, 2025 | Lead | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0002 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.
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 TN 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 Hollow Rock Water Department (TN0000310) on EPA.gov.
Frequently Asked Questions
Is Hollow Rock Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Hollow Rock Water Department; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Hollow Rock Water Department serve?
Hollow Rock Water Department serves approximately 954 people across 3 ZIP codes in Tennessee.
Where does Hollow Rock Water Department get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Hollow Rock Water Department (TN): 1 EPA Violation. https://zipcheckup.com/water-system/tn0000310/
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author = {{ZipCheckup}},
title = {{Hollow Rock Water Department (TN): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/tn0000310/}
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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
Hollow Rock Water Department (EPA ID: TN0000310) - request the latest Consumer Confidence Report or ask about specific contaminants.