Water System Report SD

Lead

EPA ID: SD4602164 ยท 2,982 people served ยท 2 ZIP codes

ZipCheckup's reading of EPA records for Lead (SD4602164): no drinking-water violations recorded since 2021. EPA data: Lead - zero violation entries, 2,982 served.

Data: EPA SDWIS

2,982
People Served
2
ZIP Codes Served
0
Violations (since 2021)
Surface Water
Water Source
0.001 mg/L
Most recent lead 90th percentile on record (monitoring period ending 2025-12-31)
Zone 2
County Radon Potential ยท Moderate
0
Contaminants Flagged
$250K
Median Home Value in ZIP Codes Served

Service Area Map

Coverage area for Lead Source: EPA SDWIS service area boundaries.

Service area boundary

Demographics of ZIP Codes Served

$50,884
Median Household Income
5,475
Population of ZIP Codes Served (Census)
20%
Disadvantaged Population
40th
Poverty Percentile
60th
Energy Burden Percentile
68%
Pre-1986 Housing

The ZIP codes associated with Lead have a median household income of $50,884 and about 5,475 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 68% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

๐ŸŒŠ Where Does Your Water Come From?

Surface Water

Lead's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Moderate Risk
Source Contamination Risk
90th
Wastewater Discharge Proximity
50th
Superfund Site Proximity

Wastewater Proximity Note: This service area ranks in the 90th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.

Infrastructure Risk

89 yr
Estimated pipe age (modeled from housing age)
Copper
Likely pipe material (modeled)
9 yr
Est. Remaining Life
Stable
Decay Status
Installed 91% of expected lifespan used (estimate) End of life

Comparable Water Systems

Similar-sized systems in South Dakota

North Sioux City
3,042 people
0 violations
Winner
2,921 people
0 violations
Canton
3,066 people
0 violations
0 violations
0 violations

System Overview

Lead (EPA ID: SD4602164) is a community water system in South Dakota that serves approximately 2,982 people from surface water sources.

This system provides water to 2 ZIP codes across 2 communities.

Violation History

No accepted violation records in the 2021-2026 window - The accepted EPA ECHO 2026Q2 snapshot contains zero violation records for this system whose record year falls from 2021 through 2026, inclusive. This is not a tap-water safety guarantee.

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0.001 mg/L No 2025-12-31

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

Radon Risk in Service Area

2 of 2 ZIP records with known zones are in EPA Radon Zone 2.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

ZIP Codes Served

Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by SD or modeled from parcel and building-footprint data.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lead (SD4602164) on EPA.gov.

Frequently Asked Questions

Is Lead water safe to drink?

The accepted 2026Q2 ECHO snapshot contains zero violation records for Lead in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.

How many people does Lead serve?

Lead serves approximately 2,982 people across 2 ZIP codes in South Dakota.

Where does Lead get its water?

The primary water source is surface water.

Frequently Asked Questions

Should I use a water filter? ▼
No EPA drinking-water violations since 2021 are on record for Lead; this page does not establish contaminant levels at your tap. That is a compliance record, not a guarantee about the water at your tap; a certified filter can target a specific contaminant you are concerned about.
How many people does Lead serve? ▼
Lead serves approximately 2,982 people with drinking water across 2 ZIP codes.
What is Lead's water source? ▼
Lead draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Lead's water? ▼
The most recent 90th-percentile lead result on record is 0.001 mg/L (sample period ending 2025-12-31). This is at or below the EPA lead action level, which triggers system action and is not a safe level; the EPA health goal for lead is zero.
What is the demographic profile of the ZIP codes associated with Lead? ▼
The ZIP codes mapped to Lead have a median household income of $50,884 (Census ZIP-code estimate). Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Lead get its water? ▼
Lead's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on the available data, the modeled source-contamination category is moderate; test local water to assess actual exposure.

How to cite this page

APA ZipCheckup. (n.d.). Lead Water Quality Report, SD. https://zipcheckup.com/water-system/sd4602164/
BibTeX
@misc{zipcheckup-water-system-sd4602164,
  author = {{ZipCheckup}},
  title  = {{Lead Water Quality Report, SD}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/sd4602164/}
}
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