Larchmont Estates Subdivision
EPA ID: GA0510034 · 11,799 people served · 20 ZIP codes
Across every monitored period in the past five years, Larchmont Estates Subdivision reported no EPA violations for its service population of 11,799.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Larchmont Estates Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Larchmont Estates Subdivision serves a community with a median household income of $66,084 and an estimated 290,453 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 43% 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?
Larchmont Estates Subdivision'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.
About 1% of homes in Chatham County, Georgia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 15 detections recorded. 8 exceed federal EPA limits (4 ppt for PFOA/PFOS). 8 exceed state limits.
Comparable Water Systems
Similar-sized systems in Georgia
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
Larchmont Estates Subdivision (EPA ID: GA0510034) is a community water system in Georgia that serves approximately 11,799 people from groundwater sources.
This system provides water to 20 ZIP codes across 2 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 17 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 31322 — Pooler
- 31401 — Savannah
- 31402 — Savannah
- 31403 — Savannah
- 31404 — Savannah
- 31405 — Savannah
- 31406 — Savannah
- 31407 — Savannah
- 31408 — Savannah
- 31409 — Savannah
- 31410 — Savannah
- 31411 — Savannah
- 31412 — Savannah
- 31414 — Savannah
- 31415 — Savannah
- 31416 — Savannah
- 31418 — Savannah
- 31419 — Savannah
- 31420 — Savannah
- 31421 — Savannah
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Larchmont Estates Subdivision (GA0510034) on EPA.gov.
Frequently Asked Questions
Is Larchmont Estates Subdivision water safe to drink?
Based on EPA records, Larchmont Estates Subdivision has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Larchmont Estates Subdivision serve?
Larchmont Estates Subdivision serves approximately 11,799 people across 20 ZIP codes in Georgia.
Where does Larchmont Estates Subdivision get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
- #46 / 50 Highest Exposure Burden (Georgia)