Hardness
Moderately Hard
85 PPM · 5 GPG
Local water dashboard
Official source aggregationWater quality in Yakutat, AK 99689
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Yakutat City And Borough.
No active health-based violation reported
- Primary matched system
- Yakutat Pws
- Source water
- Groundwater
- County
- Yakutat City And Borough
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
7.0e-4 mg/L
5% of action level
Utility match
1 system
Serves 740 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
85 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
85
mg/L as CaCO₃ equivalent
Grains per gallon
5
1 GPG ≈ 17.1 PPM
What this means at home
At 85 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
3
Nearest site
43.3 mi
Observation range
Jul 23, 2019–Jun 10, 2025
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: ALSEK R AT DRY BAY NR YAKUTAT AK (Stream).USGS source documentation ↗
Regional context
Is 99689 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Yakutat median
85 PPM
About the same1 indexed ZIP readings · Range 85–85 PPM
Alaska median
83 PPM
About the same18 indexed ZIP readings · Range 36.7–199 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
1 pass
Lead (PB90)
7.0e-4 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 7.0e-4
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 16
- Health-based
- 0
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | AK2130172 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Revised Total Coliform Rule | AK2130172 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Revised Total Coliform Rule | AK2130172 | Resolved | Sep 1, 2024through Sep 30, 2024 |
| Revised Total Coliform Rule | AK2130172 | Resolved | Nov 1, 2023through Nov 30, 2023 |
| Chlorine | AK2130172 | Resolved | Oct 1, 2023through Dec 19, 2023 |
| Chlorine | AK2130172 | Resolved | Jul 1, 2023through Sep 30, 2023 |
| Consumer Confidence Rule | AK2130172 | Resolved | Oct 1, 2022through Sep 30, 2022 |
| Consumer Confidence Rule | AK2130172 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Chlorine | AK2130172 | Resolved | Jul 1, 2022through Sep 30, 2022 |
| Chlorine | AK2130172 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| Chlorine | AK2130172 | Resolved | Oct 1, 2021through Dec 31, 2021 |
| Consumer Confidence Rule | AK2130172 | Resolved | Oct 1, 2021through Sep 30, 2022 |
| Consumer Confidence Rule | AK2130172 | Resolved | Jul 1, 2021through Sep 30, 2022 |
| Revised Total Coliform Rule | AK2130172 | Resolved | Jun 1, 2021through Jun 30, 2021 |
| Chlorine | AK2130172 | Resolved | Apr 1, 2021through Jun 30, 2021 |
| Nitrate | AK2130172 | Resolved | Jan 1, 2021through Dec 31, 2021 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to Yakutat ZIP 99689 using 85 PPM nearby hardness and 1 reported measurement benchmarks.
No urgent match
Start with an independent water test
This profile does not trigger a treatment recommendation. Test at the tap before investing in equipment.
Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Frequently asked
Water questions for Yakutat
Is tap water safe in Yakutat?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 85 PPM, or 5 grains per gallon, classified as moderately hard. This is not a household tap measurement.
Do I need a water softener?+
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.