ZIP Code 99583
Aleutians East County, Alaska — False Pass
What This Means
Aleutians East County, Alaska has naturally soft water, estimated at 10 mg/L (PPM). Soft water is generally good for appliances and plumbing — it produces less scale buildup. You likely don't need a water softener. Soft water may feel slightly "slippery" and lathers soap easily.
What You Should Do
Hardness Details
| ZIP Code | 99583 |
| County | Aleutians East |
| City | False Pass |
| State | Alaska (AK) |
| Hardness (PPM) | 10 mg/L — Soft |
| Hardness (GPG) | 0.6 grains/gallon |
| Classification | 0 - 60 mg/L |
Source: USGS Water Quality Portal, county-level median
Your Water Utility
| Utility Name | FALSE PASS TREATMENT PLANT |
| System ID | AK2262199 |
| Water Source | Surface water |
ⓘ Your utility may treat water before delivery, which can change hardness levels. Check your utility's annual Consumer Confidence Report (CCR) for exact hardness values.
USGS Monitoring Data
| Monitoring Stations | 1 |
| Range | 9 – 15 mg/L |
| Most Recent Data | 1982 |
| Data Quality | Limited |
⚠ Limited monitoring data for this county. Estimate may be less accurate.
Source: USGS Water Quality Portal
Effects at 10 PPM Hardness
At 10 ppm, your water is soft. You are unlikely to notice mineral effects on skin, hair, or appliances. Soap lathers easily, dishes come out spot-free, and your water heater and plumbing will not accumulate scale buildup.
Is False Pass Water Safe to Drink?
Yes. Hard water at 10 ppm in False Pass is safe to drink. The calcium and magnesium that make water hard are actually essential minerals your body needs daily. The World Health Organization confirms there are no health-based guidelines for water hardness.
At this level, taste is generally good. Most people will not notice a mineral flavor, and the water is perfectly suitable for drinking, cooking, and making coffee or tea.
Your Water vs National Average
False Pass water at 10 ppm is 90% softer than the US average of approximately 100 ppm. Your area benefits from naturally soft water, which is gentler on plumbing, appliances, skin, and hair than what most Americans experience.
Best Solution for 10 PPM Water
No softener needed. Your soft water at 10 ppm is ideal for skin, hair, and appliances. You are in the fortunate minority of US homes that do not need water treatment for hardness. Enjoy the benefits of naturally soft water: easy soap lathering, spot-free dishes, and long-lasting appliances.
Aleutians East County Water Hardness Map
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Frequently Asked Questions
What is the water hardness for ZIP code 99583?
ZIP code 99583 is in Aleutians East County, Alaska, with estimated water hardness of 10 mg/L (0.6 GPG), classified as soft. The area is served by FALSE PASS TREATMENT PLANT.
Do I need a water softener in 99583?
With soft water at 10 PPM, a water softener is generally not needed.
What county is ZIP code 99583 in?
ZIP code 99583 is in Aleutians East County, Alaska (AK).
Is False Pass water hard or soft?
False Pass water is classified as soft with an estimated hardness of 10 ppm (0.6 GPG). This is soft water — no treatment is needed.
Is hard water in 99583 safe to drink?
Yes, hard water in ZIP code 99583 at 10 ppm is safe to drink. The calcium and magnesium minerals are actually beneficial for your health. At this level, the water tastes normal and requires no filtration for drinking purposes.
Will 10 PPM water damage my appliances?
At 10 ppm (soft), your water will not cause mineral damage to appliances. You can expect full lifespan from your water heater, dishwasher, and plumbing.
Do I need a water softener in Aleutians East County?
No — Aleutians East County has soft water at 10 ppm. A water softener is not necessary.
Is False Pass water OK for aquariums and plants?
Yes — soft water at 10 ppm is ideal for most tropical fish (bettas, tetras, discus) and acid-loving plants. African cichlids may need mineral supplements.