ZIP Code 99338
Benton County, Washington — Zcta 99338
What This Means
Benton County, Washington has moderately hard water, estimated at 93.7 mg/L (PPM). At this level, you may notice some mineral buildup on fixtures and inside appliances over time. A water softener is optional but can help extend appliance life. Most people don't notice significant issues at this hardness level.
What You Should Do
Hardness Details
| ZIP Code | 99338 |
| County | Benton |
| City | Zcta 99338 |
| State | Washington (WA) |
| Hardness (PPM) | 93.7 mg/L — Moderately Hard |
| Hardness (GPG) | 5.5 grains/gallon |
| Classification | 61 - 120 mg/L |
Source: USGS Water Quality Portal, county-level median
Your Water Utility
| Utility Name | BADGER MOUNTAIN IRRIGATION DISTRICT |
| System ID | WA5322617 |
| 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 | 287 |
| Range | 1 – 1020 mg/L |
| Most Recent Data | 2023 |
| Data Quality | Measured |
Source: USGS Water Quality Portal
Effects at 93.7 PPM Hardness
At 93.7 ppm, some minor effects are possible: slight soap scum on shower doors, occasional water spots on dishes and glassware. Sensitive skin may notice dryness after showers. Appliance efficiency is minimally affected, but you may see light mineral deposits on faucets over time.
Is Zcta 99338 Water Safe to Drink?
Yes. Hard water at 93.7 ppm in Zcta 99338 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
Zcta 99338 water at 93.7 ppm is 6% softer than the US average of approximately 100 ppm. This is close to the national average. While not urgently requiring treatment, monitoring for scale buildup is advisable.
Best Solution for 93.7 PPM Water
Consider a shower filter ($15–40) for skin and hair benefits. At 93.7 ppm, a KDF or vitamin C shower filter can reduce mineral contact during bathing. A whole-house salt-free conditioner ($300–800) is an optional but effective way to prevent minor scale buildup on fixtures and appliances without adding sodium to your water.
Benton County Water Hardness Map
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Frequently Asked Questions
What is the water hardness for ZIP code 99338?
ZIP code 99338 is in Benton County, Washington, with estimated water hardness of 93.7 mg/L (5.5 GPG), classified as moderately hard. The area is served by BADGER MOUNTAIN IRRIGATION DISTRICT.
Do I need a water softener in 99338?
With moderately hard water at 93.7 PPM, a water softener is optional. You may notice some minor scale buildup over time.
What county is ZIP code 99338 in?
ZIP code 99338 is in Benton County, Washington (WA).
Is Zcta 99338 water hard or soft?
Zcta 99338 water is classified as moderately hard with an estimated hardness of 93.7 ppm (5.5 GPG). This is moderately hard — some minor mineral effects may be noticeable.
Is hard water in 99338 safe to drink?
Yes, hard water in ZIP code 99338 at 93.7 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 93.7 PPM water damage my appliances?
At 93.7 ppm (moderately hard), minor scale buildup is possible over many years but significant appliance damage is unlikely. Regular descaling maintenance is sufficient.
Do I need a water softener in Benton County?
Benton County has moderately hard water at 93.7 ppm. A softener is optional but can help if you notice dry skin or minor scale.
Is Zcta 99338 water OK for aquariums and plants?
Generally yes. At 93.7 ppm, most freshwater fish and plants will do fine. Check species-specific requirements for sensitive fish.