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Local water dashboard

Official source aggregation

Water quality in Nunam Iqua, AK 99666

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Kusilvak Census Area.

2 reported benchmark flags
Primary matched system
Nunam Iqua Water System
Source water
Surface water
County
Kusilvak Census Area
Profile updated

At a glance

What the current records say

Hardness

Unavailable

No qualifying site within 75 miles

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

0.0035 mg/L

23% of action level

Utility match

1 system

Serves 213 people system-wide

Hardness estimate unavailable

No responsible local estimate yet

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

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 pass2 fail

Lead (PB90)

0.0035 mg/L

Reported Dec 31, 2028

Copper (CU90)

1.4 mg/L

Reported Dec 31, 2001

Numerical coverage

3 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 0.0035

EPA limit 0.015

Local level is 23% of the listed EPA limit.

Copper (90th percentile)

Measured in mg/L

Fail

Local 1.4

EPA limit 1.3

Local level is 108% of the listed EPA limit.

TTHM

Measured in MG/L

Fail

Local 0.085

EPA limit 0.08

Local level is 106% of the listed EPA limit.

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗
2026Q2
All records
296
Health-based
20
Active health-based
0
Contaminant or ruleSystemStatusPeriod
Revised Total Coliform RuleAK2270207ArchivedMar 1, 2026through Mar 31, 2026
Revised Total Coliform RuleAK2270207ArchivedFeb 1, 2026through Feb 28, 2026
Total Haloacetic Acids (HAA5)AK2270207ArchivedJan 1, 2026through Mar 31, 2026
Lead and Copper RuleAK2270207UnaddressedJan 1, 2026
TTHMAK2270207ArchivedJan 1, 2026through Mar 31, 2026
Surface Water Treatment RuleAK2270207ResolvedDec 1, 2025through Dec 31, 2025
CARBON, TOTALAK2270207ArchivedDec 1, 2025through Dec 31, 2025
CARBON, TOTALAK2270207ArchivedDec 1, 2025through Dec 31, 2025
ChlorineAK2270207ResolvedDec 1, 2025through Dec 31, 2025
Revised Total Coliform RuleAK2270207ResolvedDec 1, 2025through Dec 31, 2025
Revised Total Coliform RuleAK2270207ResolvedNov 1, 2025through Nov 30, 2025
ChlorineAK2270207ResolvedNov 1, 2025through Nov 30, 2025
Surface Water Treatment RuleAK2270207ResolvedNov 1, 2025through Nov 30, 2025
ChlorineAK2270207ResolvedOct 1, 2025through Oct 31, 2025
Surface Water Treatment RuleAK2270207ResolvedOct 1, 2025through Oct 31, 2025
CARBON, TOTALAK2270207ResolvedOct 1, 2025through Oct 31, 2025
CARBON, TOTALAK2270207ResolvedOct 1, 2025through Oct 31, 2025
Revised Total Coliform RuleAK2270207ResolvedOct 1, 2025through Oct 31, 2025
CARBON, TOTALAK2270207ResolvedSep 1, 2025through Sep 30, 2025
CARBON, TOTALAK2270207ResolvedSep 1, 2025through Sep 30, 2025

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 Nunam Iqua ZIP 99666 using available compliance data and 3 reported measurement benchmarks.

1 match

Drinking water protection

Under-Sink Reverse Osmosis System

Copper (90th percentile), TTHM have a measured benchmark flag or active health-based SDWIS record in this profile.

A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.

Explore under-sink filtration

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 Nunam Iqua

Is tap water safe in Nunam Iqua?+

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?+

There are not enough qualifying nearby USGS observations for a responsible hardness estimate. Ask the serving utility or test the household tap.

Do I need a water softener?+

There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.