Hardness
Unavailable
No qualifying site within 75 miles
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Yukon-Koyukuk Census Area.
At a glance
EPA quarter 2026Q2
Hardness
Unavailable
No qualifying site within 75 miles
Compliance screen
Review needed
3 active health-based records
Lead 90th percentile
0.0025 mg/L
17% of action level
Utility match
2 systems
Serves 490 people system-wide
Hardness estimate unavailable
We did not find enough qualifying recent USGS hardness observations within 75 miles of this ZIP centroid. We leave the value blank instead of substituting a state average. Ask the serving utility or test the household tap for a property-specific result.
EPA benchmark screen
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
0.0025 mg/L
Reported Dec 31, 2027
Copper (CU90)
1.5 mg/L
Reported Jun 30, 2023
Numerical coverage
4 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0025
EPA limit 0.015
Measured in mg/L
Local 1.5
EPA limit 1.3
Measured in MG/L
Local 0.075
EPA limit 0.06
Measured in MG/L
Local 0.085
EPA limit 0.08
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Chlorine | AK2360159 | Archived | Mar 1, 2026through Mar 31, 2026 |
| Chlorine | AK2360272 | Resolved | Jan 1, 2026through Jan 31, 2026 |
| Chlorine | AK2360272 | Resolved | Dec 1, 2025through Dec 31, 2025 |
| Groundwater RuleHealth-based | AK2360272 | Unaddressed | Nov 2, 2025 |
| Groundwater RuleHealth-based | AK2360272 | Unaddressed | Nov 2, 2025 |
| Chlorine | AK2360272 | Resolved | Nov 1, 2025through Nov 30, 2025 |
| Revised Total Coliform Rule | AK2360159 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Chlorine | AK2360159 | Resolved | Oct 1, 2025through Oct 31, 2025 |
| Chlorine | AK2360159 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Revised Total Coliform Rule | AK2360159 | Resolved | Jul 1, 2025through Jul 31, 2025 |
| Chlorine | AK2360272 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| Chlorine | AK2360159 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | AK2360159 | Resolved | Jun 1, 2025through Jun 30, 2025 |
| Revised Total Coliform Rule | AK2360159 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Chlorine | AK2360159 | Resolved | Mar 1, 2025through Mar 31, 2025 |
| Chlorine | AK2360159 | Resolved | Jan 1, 2025through Jan 31, 2025 |
| Revised Total Coliform Rule | AK2360159 | Resolved | Jan 1, 2025through Jan 31, 2025 |
| Lead and Copper Rule | AK2360159 | Resolved | Oct 3, 2024through Nov 21, 2024 |
| Groundwater RuleHealth-based | AK2360272 | Resolved | Aug 7, 2024through Dec 29, 2025 |
| Groundwater RuleHealth-based | AK2360272 | Unaddressed | Aug 7, 2024 |
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Matched to Galena ZIP 99741 using available compliance data and 4 reported measurement benchmarks.
Drinking water protection
Copper (90th percentile), Total Haloacetic Acids (HAA5), TTHM, Groundwater Rule have a measured benchmark flag or active health-based SDWIS record in this profile.
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Frequently asked
EPA ECHO reports 3 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
There are not enough qualifying nearby USGS observations for a responsible hardness estimate. Ask the serving utility or test the household tap.
There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.