Estimate from 517 nearby samples, wells around 100 ft. This is not a test of your well. A mail-in lab kit is the next step.
| Contaminant | Typical (median) | High end (90th pct) | Share over limit | Samples | Confidence | Status |
|---|---|---|---|---|---|---|
| Arsenic | 3.4ppb | 6.0ppb | 0% | 55 | grade B | Possible |
| Barium | 0.03ppm | 0.04ppm | 0% | 13 | grade B | Detected |
| Chromium (total) | 0.00ppm | 0.00ppm | 0% | 5 | grade C | Detected |
| Copper | ND | 0.01ppm | 0% | 19 | grade B | Detected |
| Fluoride | 0.50ppm | 0.64ppm | 0% | 60 | grade B | Detected |
| Gross Alpha | ND | ND | 0% | 6 | grade C | Not detected |
| Hardness (as CaCO3) | 2.3gpg | 8.2gpg | no limit | 53 | grade B | Meets |
| Iron | ND | 0.01ppm | no limit | 57 | grade B | Detected |
| Lead | ND | ND | 0% | 9 | grade C | Not detected |
| Lithium | 7.8ppb | 8.9ppb | no limit | 2 | grade C | Detected |
| Manganese | ND | 1.9ppb | no limit | 57 | grade B | Detected |
| Nitrate (as N) | 0.31ppm | 1.15ppm | 0% | 63 | grade B | Detected |
| Radon | ND | ND | 0% | 1 | grade C | Not detected |
| Selenium | ND | 0.5ppb | 0% | 32 | grade B | Detected |
| Sodium | 24.40ppm | 26.30ppm | no limit | 32 | grade B | Detected |
| Total Dissolved Solids | 132.00ppm | 265.00ppm | no limit | 48 | grade B | Detected |
| Uranium | 1.7ppb | 3.6ppb | 0% | 5 | grade C | Detected |
Confidence grades: A = 10 or more samples in this 1.2 km zone; B = 3 to 9 in the zone or 10 or more within one ring; C = fewer; D = county median only.
We may earn a commission if you buy through these links. Rankings come from the matching engine (certification + flagged contaminants + annual cost), not from who pays more. How we earn money. As an Amazon Associate we earn from qualifying purchases. Prices are not shown; Amazon sets them on its site.
LAB TEST (mail-in). Collect samples at home, ship with the prepaid mailer to ETR Laboratories (ISO/IEC 17025 accredited by ANAB), results in about 2-4 business days after receipt. Tested analytes in plain words: 32 …
LAB TEST (mail-in). Single-analyte kit: collect one first-draw tap sample and mail it to Safe Home's EPA-certified laboratory; reports total lead (dissolved plus particulate) to 1 ppb, results online in 3-5 business days …
Strip kit: screening only, not a lab result. Good for hardness, iron, nitrate, pH screening.
STRIP KIT (DIY, results in minutes, not a lab test). 100 dip strips plus two coliform bacteria vials. Analytes covered in plain words: lead, copper, iron, mercury, zinc, manganese, fluoride, nitrate, nitrite, sulfate, …
DIY KIT (strips plus vial tests; not a lab test). Single-use well-water panel. Analytes covered in plain words: lead (immunoassay strip, detects to about 5 ppb), coliform bacteria (48-hour presence/absence vial), …
Nearby samples run about 2.3 grains per gallon (gpg) (soft), confidence grade B. That is an estimate, not a result from your well. Hardness is not a federal health violation.
We may earn a commission if you buy through these links. Rankings come from the matching engine (certification + flagged contaminants + annual cost), not from who pays more. How we earn money. As an Amazon Associate we earn from qualifying purchases. Prices are not shown; Amazon sets them on its site.
Under sink, pitcher, or faucet. Treats the water you drink and cook with.
Certified for arsenic, fluoride, and copper (NSF/ANSI 58, pentavalent).
Plumber recommended if you are not comfortable with a drain saddle and a tank. Not a whole-house solution.
Certified for arsenic, nitrate, and fluoride (NSF/ANSI 58, pentavalent); manufacturer-reported for uranium.
Plumber recommended if you are not comfortable with a drain saddle and a tank. Not a whole-house solution.
Certified for fluoride, total dissolved solids, and chromium (NSF/ANSI 58); manufacturer-reported for arsenic and nitrate.
Plumber recommended if you are not comfortable with a drain saddle and a tank. Not a whole-house solution.
Installed where water enters the house. For fixtures, laundry and showers.
Nothing in this water calls for whole-house treatment. A drinking-water filter covers the exposure that matters. Whole-house units here are optional, mainly for taste and chlorine.
Manufacturer-reported reduction for arsenic. Not NSF-certified for arsenic.
Plumber recommended if you are not comfortable with this install.
Manufacturer-reported reduction for iron and manganese. Does not address arsenic.
Plumber recommended if you are not comfortable with this install.
Manufacturer-reported reduction for iron and manganese. Does not address arsenic.
Plumber recommended if you are not comfortable with this install.
Worth it at 7 grains per gallon or more.
Certified for barium (NSF/ANSI 44); manufacturer-reported for iron. Does not address arsenic.
DIY if you are comfortable with this install.
Manufacturer-reported reduction for iron. Does not address arsenic.
DIY if you are comfortable with this install.
Manufacturer-reported reduction for iron. Does not address arsenic.
DIY if you are comfortable with this install.
If you have a lab result for your well, adding it (location rounded to about 1 km, no address stored) improves the estimate for nearby households. We can email you a filter report from the numbers in the PDF.
83607 Caldwell 83626 Greenleaf 83644 Middleton 83651 Nampa 83656 Notus 83669 Star 83687 Nampa Canyon County wells
On city water instead? Systems in this ZIP: City of Caldwell, Lakeys Cafe and Trailer Park, Caldwell Housing Authority, H and L Park,
Numbers are the system's samples at its taps and wells, not yours. Lead and copper are 90th percentiles from sampled homes. Well pages are nearby-sample estimates. Health text restates EPA and DEQ. Methodology.