Water Quality in Hilo, HI (96720)

EPA violation data for public water systems serving ZIP code 96720.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

52,979

Population

27

Water Systems

3

Violations (5yr)

1

Health-Based

Location

Loading map...

Water Systems Serving This Area (27)

Hilo

Groundwater 39,477 people served
0 violations

North Kona

Groundwater 29,581 people served
1 violation (5yr)

South Kohala

All resolved
Surface water 9,612 people served
1 violation (5yr) · All resolved

South Kona

Groundwater 6,512 people served
0 violations

Olaa-Mountain View

Groundwater 6,467 people served
0 violations

North Kohala

Groundwater 4,933 people served
0 violations

Haina

Groundwater 4,563 people served
0 violations

Waiohinu-Naalehu

Groundwater 2,948 people served
0 violations

Papaikou

Groundwater 2,203 people served
0 violations

Lalamilo

Groundwater 1,895 people served
0 violations

Pahoa

Groundwater 1,885 people served
0 violations

Pepeekeo

Groundwater 1,450 people served
0 violations

Pahala

Groundwater 1,226 people served
0 violations

Laupahoehoe-Kapehu

Groundwater 1,169 people served
0 violations

Hawaiian Ocean View Estates

Groundwater 1,000 people served
0 violations

Paauilo

Groundwater 716 people served
0 violations

Honomu

Groundwater 645 people served
0 violations

Kukuihaele

Groundwater 483 people served
0 violations

Hakalau-Wailea

Groundwater 402 people served
0 violations

Kapoho

Purchased groundwater 340 people served
0 violations

Kalapana

Groundwater 275 people served
0 violations

Ookala (Dws)

Groundwater 264 people served
0 violations

Niulii

Groundwater 254 people served
0 violations

Kulani Correctional Facility

1 health-based
Groundwater 250 people served
1 violation (5yr) · 1 health-based · All resolved

Kilauea Military Camp

Groundwater 220 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Ninole

Groundwater 151 people served
0 violations

Pepeekeo Water Association

Purchased groundwater 60 people served
0 violations

Contaminants Found

Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Hilo (96720) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.

Fewer violations 43th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

Nearby ZIP Codes

Check Another ZIP Code