Estimate from 568 nearby samples, wells around 104 ft. This is not a test of your well. A mail-in lab kit is the next step. This ZIP is inside an Idaho DEQ Nitrate Priority Area.
| Contaminant | Typical (median) | High end (90th pct) | Share over limit | Samples | Confidence | Status |
|---|---|---|---|---|---|---|
| Arsenic | 5.0ppb | 7.2ppb | 0% | 66 | grade B | Possible |
| Barium | 0.07ppm | 0.08ppm | 0% | 15 | grade B | Detected |
| Chromium (total) | 0.00ppm | 0.01ppm | 0% | 6 | grade C | Detected |
| Copper | 0.00ppm | 0.00ppm | 0% | 21 | grade B | Detected |
| Fluoride | 0.58ppm | 0.90ppm | 0% | 62 | grade B | Detected |
| Gross Alpha | ND | ND | 0% | 7 | grade C | Not detected |
| Hardness (as CaCO3) | 12.8gpg | 15.7gpg | no limit | 52 | grade B | Meets |
| Iron | ND | 0.00ppm | no limit | 57 | grade B | Detected |
| Lead | ND | ND | 0% | 10 | grade B | Not detected |
| Lithium | 18.0ppb | 25.0ppb | no limit | 3 | grade C | Detected |
| Manganese | ND | 1.0ppb | no limit | 57 | grade B | Detected |
| Nitrate (as N) | 5.50ppm | 10.00ppm | 9% | 75 | grade B | Possible |
| Radon | ND | ND | 0% | 1 | grade C | Not detected |
| Selenium | 0.3ppb | 1.2ppb | 0% | 37 | grade B | Detected |
| Sodium | 55.50ppm | 106.00ppm | no limit | 38 | grade B | Detected |
| Total Dissolved Solids | 312.00ppm | 611.00ppm | no limit | 47 | grade B | Aesthetic issue |
| Uranium | 8.8ppb | 13.0ppb | 0% | 14 | grade B | 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.
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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 12.8 grains per gallon (gpg) (very hard), confidence grade B. That is an estimate, not a result from your well. At 7 gpg or more, most well households in this range install a softener. 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, nitrate, and total dissolved solids (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 arsenic, total dissolved solids, and fluoride (NSF/ANSI 58, pentavalent). Does not address nitrate.
Plumber recommended if you are not comfortable with a drain saddle and a tank. Not a whole-house solution.
Certified for the total dissolved solids aesthetic issue (NSF/ANSI 58); manufacturer-reported for arsenic, nitrate, and uranium.
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.
Manufacturer-reported reduction for arsenic. Does not address nitrate and total dissolved solids.
Plumber recommended if you are not comfortable with this install.
Manufacturer-reported reduction for iron and manganese. Does not address arsenic, nitrate, and total dissolved solids.
Plumber recommended if you are not comfortable with this install.
Manufacturer-reported reduction for iron and manganese. Does not address arsenic, nitrate, and total dissolved solids.
Plumber recommended if you are not comfortable with this install.
Worth it at 7 grains per gallon or more.
Certified for hardness and barium (NSF/ANSI 44); manufacturer-reported for iron. Does not address arsenic, nitrate, and total dissolved solids.
DIY if you are comfortable with this install.
Certified for hardness (NSF/ANSI 44); manufacturer-reported for iron. Does not address arsenic, nitrate, and total dissolved solids.
DIY if you are comfortable with this install.
Certified for hardness (NSF/ANSI 44); manufacturer-reported for iron. Does not address arsenic, nitrate, and total dissolved solids.
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.
83605 Caldwell 83607 Caldwell 83626 Greenleaf 83646 Meridian 83656 Notus 83669 Star 83686 Nampa 83687 Nampa Canyon County wells
On city water instead? Systems in this ZIP: City of Nampa, City of Caldwell, Westview Shervik Subdivision, Dahl Subdivision, Valley View Water, Southshore Water,
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.