Cedar Crest
EPA ID: VA4101097 · 338 people served · 40 ZIP codes
Cedar Crest earns a clean bill from EPA monitoring — no violations in five years across a service area of 338 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Cedar Crest Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Cedar Crest serves a community with a median household income of $70,537 and an estimated 407,653 residents across its service area. Approximately 73% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 37% 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?
Cedar Crest'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 King William County, Virginia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 68th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 6 detections recorded.
Comparable Water Systems
Similar-sized systems in Virginia
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
Cedar Crest (EPA ID: VA4101097) is a community water system in Virginia that serves approximately 338 people from groundwater sources.
This system provides water to 40 ZIP codes across 2 communities.
Average Home Safety Score: A (95/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 23086 | 0.001 mg/L | No | N/A |
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: 1 ZIP code confirmed via EPA Community Water System Service Area Boundaries v3 plus 39 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.
This system serves 40 ZIP codes:
23086 · 23218 · 23219 · 23220 · 23221 23222 · 23223 · 23224 · 23225 · 23226 23227 · 23230 · 23232 · 23234 · 23235 23236 · 23237 · 23240 · 23241 · 23249 23250 · 23260 · 23261 · 23269 · 23274 23276 · 23278 · 23279 · 23282 · 23284 23285 · 23286 · 23289 · 23290 · 23291 23292 · 23293 · 23295 · 23297 · 23298
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cedar Crest (VA4101097) on EPA.gov.
Frequently Asked Questions
Is Cedar Crest water safe to drink?
Based on EPA records, Cedar Crest has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Cedar Crest serve?
Cedar Crest serves approximately 338 people across 40 ZIP codes in Virginia.
Where does Cedar Crest get its water?
The primary water source is groundwater.
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.