Larsen Bay Tap Water Quality Report
Larsen Bay's water quality record shows 24 results on file for LARSEN BAY WATER SYSTEM, none above EPA's health goals or legal limits.
Water system
LARSEN BAY WATER SYSTEM
People Served
271
Health-based violations since 2020
0
LARSEN BAY WATER SYSTEM. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2023 ยท LARSEN BAY WATER SYSTEM
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Larsen Bay Tap Water Safe to Drink?
Larsen Bay's tap water has 24 results on file for LARSEN BAY WATER SYSTEM, none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
LARSEN BAY WATER SYSTEM, Larsen Bay's water system, serves 271 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LARSEN BAY WATER SYSTEM is from Sep 2023.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Alaska
Larsen Bay Water Service Areas

What these numbers actually mean for Larsen Bay, AK
We read Larsen Bay, AKโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- No result above EPA's health goals or legal limits
- 24 results on file
- No PFAS results on record
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General-Purpose Water Filters for Larsen Bay
Larsen Bay's results show no result above EPA's health goals or legal limits, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Verify Your Water at Your Own Tap
This system met every enforceable federal limit in its latest published results. Those are taken in the distribution system, not at your tap โ independent testing is what covers your own plumbing and the substances nobody sampled.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Larsen Bay's water readings can explain
We publish a city-level hardness figure for Larsen Bay, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
Water softener cost and installation in Larsen Bay
Larsen Bay's tap water has an estimated 0.9 grains per gallon (15.9 mg/L, county sampling in Kodiak Island Borough) โ soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 0.9 gpg water in Larsen Bay โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Alaska as a whole, read water softener cost in Alaska โ priced against the plumber wage published for the state.
Frequently Asked Questions About Larsen Bay Tap Water
Larsen Bay's tap water has 24 results on file for LARSEN BAY WATER SYSTEM, none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LARSEN BAY WATER SYSTEM. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LARSEN BAY WATER SYSTEM directly.
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