Certified Water Labs

Certified Water Labs

Private Well Water Testing in Sullivan County

Private well owner running a routine or first-time test for common contaminants (coliform bacteria, nitrate, arsenic) and needing a certified lab that fits their region and well.

  • Compare local options
  • Questions to ask
  • Next steps

When to contact private well water testing

Contact private well water testing when you need local process, feasibility, and next-step guidance before relying on a decision.

Questions to ask before hiring
  • Which contaminants should I test for based on my region and well depth?
  • Is the lab certified for the specific analytes (coliform bacteria, nitrate, arsenic)?
  • How should I collect and transport the sample to keep it valid?
  • How often should I retest?

Source-backed Private Well Water Testing listings

Source-backed

Grahamsville Laboratory

  • Well Water Testing

New York State ELAP (Environmental Laboratory Approval Program, Wadsworth Center) registry lists Grahamsville Laboratory (ELAP ID 10587) as a Potable Water certified laboratory at 7870 State Route 42, Grahamsville, in Sullivan County. This directory has not independently verified current certification scope, whether the lab accepts private-well or consumer samples, pricing, turnaround, reviews, or suitability for any mortgage (FHA/VA/USDA) or PFAS/lead analyte-specific testing requirement.

Call 845-334-7127

Service area New YorkSullivan County

  • No reviews collected
  • Facts limited to cited public sources
  • Provider approval is not implied
  • Use the hiring checklist before contacting
View profile Hiring checklist
Source-backed

AG Environmental RSC LLC dba Sullivan County Labs

  • Well Water Testing

New York State ELAP (Environmental Laboratory Approval Program, Wadsworth Center) registry lists AG Environmental RSC LLC dba Sullivan County Labs (ELAP ID 12081) as a Potable Water certified laboratory at 86 Queen Mountain Road, Ferndale, in Sullivan County. This directory has not independently verified current certification scope, whether the lab accepts private-well or consumer samples, pricing, turnaround, reviews, or suitability for any mortgage (FHA/VA/USDA) or PFAS/lead analyte-specific testing requirement.

Call 845-704-8151

Service area New YorkSullivan County

  • No reviews collected
  • Facts limited to cited public sources
  • Provider approval is not implied
  • Use the hiring checklist before contacting
View profile Hiring checklist
Source-backed

Town Of Fallsburg Environmental

  • Well Water Testing

New York State ELAP (Environmental Laboratory Approval Program, Wadsworth Center) registry lists Town Of Fallsburg Environmental (ELAP ID 12181) as a Potable Water certified laboratory at 5410 State Route 42, South Fallsburg, in Sullivan County. This directory has not independently verified current certification scope, whether the lab accepts private-well or consumer samples, pricing, turnaround, reviews, or suitability for any mortgage (FHA/VA/USDA) or PFAS/lead analyte-specific testing requirement.

Call 845-434-6320

Service area New YorkSullivan County

  • No reviews collected
  • Facts limited to cited public sources
  • Provider approval is not implied
  • Use the hiring checklist before contacting
View profile Hiring checklist

Buyer guides for private well water testing

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  • What happens next: we route your request to relevant providers for review.
  • We do not verify provider licenses, prices, or reviews yet.
  • Expect providers to follow up directly; nothing is booked automatically.

Certified Water Labs is an independent directory. We do not certify, accredit, endorse, or perform water testing. Laboratory certification is issued by state programs under EPA oversight; always verify a lab's current certification and your required test panel directly with the lab and your state program or lender before scheduling. Content is general information, not legal, financial, or health advice.

Frequently asked questions

Are these Private Well Water Testing in Sullivan County listings source-backed?

Only providers with source-backed public records are shown. Invalid and unverified provider rows are excluded from public listing pages.

What does this directory do — and not do?

Certified Water Labs is an independent directory. We do not certify, accredit, endorse, or perform water testing. Laboratory certification is issued by state programs under EPA oversight; always verify a lab's current certification and your required test panel directly with the lab and your state program or lender before scheduling. Content is general information, not legal, financial, or health advice.

What should buyers verify independently?

Verify credentials, current availability, scope, and pricing directly with the provider and the official sources linked on each listing. This site never invents those details.

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