Chloride in Alaska well water
In Alaska, chloride was detected in 100% of 3,554 tested private well samples.
Chloride mainly comes from road salt and water softener discharge. Above 250 mg/L water tastes salty and corrodes plumbing. Rising chloride in a well usually means road salt is reaching the aquifer.
Check your chloride number
Type the value from your lab report. It is compared to the EPA limit, the same way the full interpretation does it.
Test your Alaska well for chloride
Certified lab analysis of your own tap water, bottles and prepaid return shipping included. The Essential well panel covers arsenic, uranium, nitrate, lead, copper, manganese, iron, sodium and bacteria; radon and PFAS are add-ons.
Order the Tap Score well water test kit, from $209Already tested? Upload the report
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Systems that remove chloride
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Some links below are affiliate links. If you buy through one, the merchant pays us a commission at no extra cost to you. It does not change which products we list or what the data says.
For chloride
Under-sink reverse osmosis system
under-sink or countertop, about $300
Look for NSF/ANSI 58 certification listing the contaminant you need removed.
Rather have it installed and sized for your well? Book a free in-home water test with a licensed local company.
Where to get a well tested for chloride in Alaska: certified labs, state programs and prices.
By county, from individual samples
Public monitoring samples against the EPA limit; counties with at least 30 samples.
| County | Above EPA limit | Samples | Detected | Median | Highest |
|---|---|---|---|---|---|
| Anchorage | no limit | 1,236 | 100% | 3.2 | 1,080 mg/L |
| Bethel | no limit | 130 | 100% | 4 | 7,980 mg/L |
| Bristol Bay | no limit | 61 | 100% | 6.4 | 19 mg/L |
| Chugach | no limit | 39 | 100% | 6.4 | 260 mg/L |
| Kenai Peninsula | no limit | 392 | 100% | 6 | 21,400 mg/L |
| Yakutat | no limit | 48 | 100% | 6 | 580 mg/L |
| Yukon-Koyukuk | no limit | 130 | 100% | 1.7 | 250 mg/L |
| Juneau | no limit | 78 | 100% | 3.55 | 8,300 mg/L |
| Fairbanks North Star | no limit | 680 | 100% | 2.5 | 777 mg/L |
| Matanuska-Susitna | no limit | 476 | 100% | 6 | 1,100 mg/L |
| Copper River | no limit | 127 | 98% | 131 | 6,470 mg/L |
- Bristol Bay census subarea, Bristol Bay County100% detected of 61
- Juneau census subarea, Juneau County100% detected of 78
- Chugach census subarea, Chugach County100% detected of 39
- Anchorage census subarea, Anchorage County100% detected of 1,236
- McGrath-Holy Cross census subarea, Yukon-Koyukuk County100% detected of 32
- Koyukuk-Middle Yukon census subarea, Yukon-Koyukuk County100% detected of 78
- Kenai-Cook Inlet census subarea, Kenai Peninsula County100% detected of 375
- Lower Kuskokwim census subarea, Bethel County100% detected of 118
- Yakutat census subarea, Yakutat County100% detected of 48
- Fairbanks North Star census subarea, Fairbanks North Star County100% detected of 680
- Matanuska-Susitna census subarea, Matanuska-Susitna County100% detected of 476
- Copper River census subarea, Copper River County98% detected of 127
Sources
- Individual samples from the USGS Water Quality Portal and state monitoring, summarized per geography. chloride counts and shares are listed on each county and town page with their sources.