Water Quality in Watertown, SD (57201)

EPA violation data for public water systems serving ZIP code 57201.

Past Health-Based Violations

6 health-based violations were 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 67% of US ZIP codes.

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

26,781

Population

21

Water Systems

10

Violations (5yr)

6

Health-Based

Location

Loading map...

Water Systems Serving This Area (21)

Watertown Municipal Utilities

Groundwater 23,230 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Sioux Rural Water System

All resolved
Groundwater 4,012 people served
3 violations (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Sioux I Rural Water System (Sioux)

Groundwater 1,125 people served
0 violations

K-Bar-J Inc

Groundwater 1,000 people served
0 violations

Watertown Mobile Estates

Groundwater 180 people served
0 violations

Gfp 1-E/Nw Pelican Picnic Area

Groundwater 137 people served
0 violations

Pelican Plaza

6 health-based
Groundwater 120 people served
7 violations (5yr) · 6 health-based · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Gfp 1-D/Pelican Lake Rec Area

Groundwater 103 people served
0 violations

Gfp 1-F/S Blue Dog Lake Rec. Area

Groundwater 100 people served
0 violations

Owen Mobile Home Court

Groundwater 100 people served
0 violations

Gfp 1-H/W Pickerel Campground

Groundwater 100 people served
0 violations

Macgregors

Groundwater 100 people served
0 violations

Hazel

Purchased groundwater 91 people served
0 violations

Energy Industries

Groundwater 80 people served
0 violations

South Fork Lounge

Groundwater 50 people served
0 violations

Stony Point Campground

Groundwater 42 people served
0 violations

Gfp 1-C/E Pickerel Campground

Groundwater 40 people served
0 violations

Gfp 1-B/E Pickerel Boat Basin

Groundwater 25 people served
0 violations

Gfp 1-G/W. Pickerel Shop

Groundwater 25 people served
0 violations

Gfp 1-A/E Pickerel Beach Area

Groundwater 25 people served
0 violations

Rauville Cafe

Groundwater 25 people served
0 violations

Contaminants Found

NitrateHealth-Based

At high levels, nitrate can cause blue baby syndrome in infants.

6 violations
All resolved
Combined UraniumMonitoring
1 violation
All resolved
Combined Radium (-226 and -228)Monitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Watertown (57201) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.

Fewer violations 67th 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.

Reverse Osmosis System

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

Look for:NSF/ANSI 58 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