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Geochemical Testing

2005 North Center AvenueSomerset, PA 15501Phone: (814) 443-1671Lab's homeowner testing page: geo-ces.com (opens in a new tab)

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Facts verified under our methodology · Updated

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At a glance

Accepts samples from homeowners

How samples reach the lab: Courier, Mail-in

Verified (checked on the lab's website) · Source (opens in a new tab)

Listed tests and prices: No verified price yet

Certified in

  • Pennsylvania

Registry checked · State certifications

How to order

State certifications

  • Pennsylvania
    BacteriaNitrate/nitriteMetalsLead & copperVOCsRadiologicalStandard chemistry

    not: SOCs, PFAS

    Pennsylvania: PA-DEP-LAP · Registry checked · PA-DEP-LAP registry (opens in a new tab)

Homeowner samples

Accepts samples from homeowners

How samples reach the lab: Courier, Mail-in

We routinely test drinking water in Pennsylvania for homeowners and for gas Exploration & Production (E&P) companies for pre-drill surveys.
Verified (checked on the lab's website) · Source (opens in a new tab)

How to order

Call (814) 443-1671

Lab's homeowner testing page: geo-ces.com (opens in a new tab)

You order from and pay the lab directly.

Certified analytes and methods

Pennsylvania (126 analytes)

  • 1,1-Dichloroethane · EPA 524.2 (Rev. 4.1)
  • 1,1-Dichloroethene (1,1-Dichloroethylene) · EPA 524.2 (Rev. 4.1)
  • 1,1-Dichloropropene · EPA 524.2 (Rev. 4.1)
  • 1,1,1-Trichloroethane · EPA 524.2 (Rev. 4.1)
  • 1,1,1,2-Tetrachloroethane · EPA 524.2 (Rev. 4.1)
  • 1,1,2-Trichloroethane · EPA 524.2 (Rev. 4.1)
  • 1,1,2,2-Tetrachloroethane · EPA 524.2 (Rev. 4.1)
  • 1,2-Dibromo-3-chloropropane (DBCP, Dibromochloropropane) · EPA 504.1 (Rev. 1.1)
  • 1,2-Dibromoethane (EDB, Ethylene dibromide) · EPA 504.1 (Rev. 1.1)
  • 1,2-Dichlorobenzene (o-Dichlorobenzene) · EPA 524.2 (Rev. 4.1)
  • 1,2-Dichloroethane · EPA 524.2 (Rev. 4.1)
  • 1,2-Dichloropropane · EPA 524.2 (Rev. 4.1)
  • 1,2,3-Trichloropropane (1,2,3-TCP) · EPA 524.2 (Rev. 4.1)
  • 1,2,4-Trichlorobenzene · EPA 524.2 (Rev. 4.1)
  • 1,3-Dichlorobenzene (m-Dichlorobenzene) · EPA 524.2 (Rev. 4.1)
  • 1,3-Dichloropropane · EPA 524.2 (Rev. 4.1)
  • 1,4-Dichlorobenzene (p-Dichlorobenzene) · EPA 524.2 (Rev. 4.1)
  • 2-Butanone (Methyl ethyl ketone, MEK) · EPA 524.2 (Rev. 4.1)
  • 2-Chlorotoluene · EPA 524.2 (Rev. 4.1)
  • 2,2-Dichloropropane · EPA 524.2 (Rev. 4.1)
  • 4-Chlorotoluene · EPA 524.2 (Rev. 4.1)
  • 4-Methyl-2-pentanone (MIBK) · EPA 524.2 (Rev. 4.1)
  • Acidity as CaCO3 · SM 2310B - 2011 (Rev. 22nd ed.)
  • Alkalinity as CaCO3 · SM 2320B - 2011 (Rev. 22nd ed.)
  • Alkalinity as CaCO3 · ASTM D1067-16
  • Allyl chloride (3-Chloropropene) · EPA 524.2 (Rev. 4.1)
  • Aluminum · EPA 200.8 (Rev. 5.4)
  • Aluminum · EPA 200.7 (Rev. 4.4)
  • Antimony · EPA 200.8 (Rev. 5.4)
  • Arsenic · EPA 200.8 (Rev. 5.4)
  • Barium · EPA 200.7 (Rev. 4.4)
  • Barium · EPA 200.8 (Rev. 5.4)
  • Benzene · EPA 524.2 (Rev. 4.1)
  • Beryllium · EPA 200.7 (Rev. 4.4)
  • Beryllium · EPA 200.8 (Rev. 5.4)
  • Boron · EPA 200.7 (Rev. 4.4)
  • Bromoacetic acid (Monobromoacetic acid, MBAA) · EPA 552.3 (Rev. 1.0)
  • Bromobenzene · EPA 524.2 (Rev. 4.1)
  • Bromodichloromethane · EPA 524.2 (Rev. 4.1)
  • Bromoform · EPA 524.2 (Rev. 4.1)
  • Cadmium · EPA 200.7 (Rev. 4.4)
  • Cadmium · EPA 200.8 (Rev. 5.4)
  • Calcium · EPA 200.7 (Rev. 4.4)
  • Carbon tetrachloride · EPA 524.2 (Rev. 4.1)
  • Chloride · EPA 300.0 (Rev. 2.1)
  • Chloroacetic acid (Monochloroacetic acid, MCAA) · EPA 552.3 (Rev. 1.0)
  • Chlorobenzene · EPA 524.2 (Rev. 4.1)
  • Chloroethane · EPA 524.2 (Rev. 4.1)
  • Chloroform · EPA 524.2 (Rev. 4.1)
  • Chromium · EPA 200.7 (Rev. 4.4)
  • Chromium · EPA 200.8 (Rev. 5.4)
  • cis-1,2-Dichloroethene · EPA 524.2 (Rev. 4.1)
  • cis-1,3-Dichloropropene · EPA 524.2 (Rev. 4.1)
  • Cobalt · EPA 200.7 (Rev. 4.4)
  • Color · SM 2120B - 2011 (Rev. 22nd ed.)
  • Conductivity · SM 2510B - 2011 (Rev. 22nd ed.)
  • Conductivity · EPA 120.1
  • Copper · EPA 200.8 (Rev. 5.4)
  • Copper · EPA 200.7 (Rev. 4.4)
  • Cyanide distillation · SM 4500-CN- C - 2016 (Rev. 23rd ed.)
  • Dibromoacetic acid (DBAA) · EPA 552.3 (Rev. 1.0)
  • Dibromochloromethane · EPA 524.2 (Rev. 4.1)
  • Dibromomethane · EPA 524.2 (Rev. 4.1)
  • Dichloroacetic acid (DCAA) · EPA 552.3 (Rev. 1.0)
  • Dichlorodifluoromethane (Freon 12) · EPA 524.2 (Rev. 4.1)
  • Dichlorofluoromethane (Freon 21) · EPA 524.2 (Rev. 4.1)
  • E. coli (Enumeration) · Colilert-18/QT
  • E. coli [RTCR] (P/A) · SM 9223 B-2004 (Colilert-18) (Rev. 22nd ED)
  • Ethylbenzene · EPA 524.2 (Rev. 4.1)
  • Fluoride · EPA 300.0 (Rev. 2.1)
  • Heterotrophic bacteria (Enumeration) · SM 9215 B (Reagent Water Testing Only) (Rev. 18th-23rd ED)
  • Iron · EPA 200.7 (Rev. 4.4)
  • Iron · EPA 200.8 (Rev. 5.4)
  • Lead · EPA 200.8 (Rev. 5.4)
  • Lithium · EPA 200.7 (Rev. 4.4)
  • m+p-Xylene · EPA 524.2 (Rev. 4.1)
  • Magnesium · EPA 200.7 (Rev. 4.4)
  • Manganese · EPA 200.7 (Rev. 4.4)
  • Mercury · SM 3112B - 2011 (Rev. 22nd ed.)
  • Methyl bromide (Bromomethane) · EPA 524.2 (Rev. 4.1)
  • Methyl chloride (Chloromethane) · EPA 524.2 (Rev. 4.1)
  • Methylene chloride (Dichloromethane) · EPA 524.2 (Rev. 4.1)
  • Nickel · EPA 200.7 (Rev. 4.4)
  • Nickel · EPA 200.8 (Rev. 5.4)
  • Nitrate (as N) · EPA 300.0 (Rev. 2.1)
  • Nitrite (as N) · SM 4500-NO2- B - 2011 (Rev. 22nd ed.)
  • Nitrite (as N) · EPA 300.0 (Rev. 2.1)
  • o-Xylene · EPA 524.2 (Rev. 4.1)
  • Odor · SM 2150B - 2011 (Rev. 22nd ed.)
  • pH · SM 4500-H + B - 2011 (Rev. 22nd ed.)
  • Potassium · EPA 200.7 (Rev. 4.4)
  • Residue, filterable (TDS) · SM 2540C - 2015 (Rev. 23rd ed.)
  • Selenium · EPA 200.8 (Rev. 5.4)
  • Silver · EPA 200.8 (Rev. 5.4)
  • Silver · EPA 200.7 (Rev. 4.4)
  • Sodium · EPA 200.7 (Rev. 4.4)
  • Strontium · EPA 200.8 (Rev. 5.4)
  • Strontium · EPA 200.7 (Rev. 4.4)
  • Styrene · EPA 524.2 (Rev. 4.1)
  • Sulfate · EPA 300.0 (Rev. 2.1)
  • Sulfur · EPA 200.7 (Rev. 4.4)
  • Surfactants as MBAS · SM 5540C - 2011 (Rev. 22nd ed.)
  • Tetrachloroethene (PCE, Perchloroethylene) · EPA 524.2 (Rev. 4.1)
  • Thallium · EPA 200.8 (Rev. 5.4)
  • Thorium · EPA 200.8 (Rev. 5.4)
  • Toluene · EPA 524.2 (Rev. 4.1)
  • Total coliform (Enumeration) · SM 9223 B-2004 (Colilert-18/QT) (Rev. 22nd ED)
  • Total coliforms [RTCR] (P/A) · SM 9223 B-2004 (Colilert-18) (Rev. 22nd ED)
  • Total cyanide · SM 4500-CN- E - 2016 (Rev. 23rd ed.)
  • Total haloacetic acids (HAA) · EPA 552.3 (Rev. 1.0)
  • Total nitrate-nitrite · EPA 300.0 (Rev. 2.1)
  • Total organic carbon (TOC) · SM 5310C - 2014 (Rev. 23rd ed.)
  • Total residual chlorine · SM 4500-Cl G - 2011 (Rev. 23rd ed.)
  • Total trihalomethanes (TTHMs) · EPA 524.2 (Rev. 4.1)
  • trans-1,2-Dichloroethene · EPA 524.2 (Rev. 4.1)
  • trans-1,3-Dichloropropene · EPA 524.2 (Rev. 4.1)
  • Trichloroacetic acid (TCAA) · EPA 552.3 (Rev. 1.0)
  • Trichloroethene (TCE, Trichloroethylene) · EPA 524.2 (Rev. 4.1)
  • Trichlorofluoromethane (Freon 11) · EPA 524.2 (Rev. 4.1)
  • Tritium · EPA 906.0
  • Turbidity · EPA 180.1 (Rev. 2)
  • Uranium (mass) · EPA 200.8 (Rev. 5.4)
  • Vinyl chloride (Chloroethene) · EPA 524.2 (Rev. 4.1)
  • Xylenes, total · EPA 524.2 (Rev. 4.1)
  • Zinc · EPA 200.8 (Rev. 5.4)
  • Zinc · EPA 200.7 (Rev. 4.4)

Source: PA-DEP-LAP registry (opens in a new tab)

How we verify labs

Certifications come from each state's registry; homeowner policies and prices come from the lab's own pages, each with its source and verification date. Read our lab methodology.

  1. Tell us about your water

  2. Test at a certified lab

  3. Understand your results