Water Quality in New Underwood, SD (57761)

EPA violation data for public water systems serving ZIP code 57761.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.

More violations than 53% of US ZIP codes.

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

1,180

Population

5

Water Systems

5

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (5)

New Underwood

All resolved
Groundwater 679 people served
2 violations (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Viewfield Rural Water System

Groundwater 220 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Oaks Water Users Association

Groundwater 180 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Copper Oaks I

1 health-based
Purchased groundwater 64 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Red Top School

Groundwater 30 people served
0 violations

Contaminants Found

Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-Based
1 violation
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

New Underwood (57761) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.

Fewer violations 53th 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.

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