Water Quality Report

Ortley, SD (57256): 1 Violation Recorded for Mapped Water Systems

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Grant-roberts Rural Water System)

High County Radon Potential

EPA records for the water systems mapped to 57256 in Ortley, SD contain 1 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality Concerns 1 non-health-based violation record in EPA data
Lead Risk Below action level 0.003 mg/L, 90th percentile, sample period ending 2025-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 violation (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.003 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
Contaminant Summary
Violations on record (not health-based)
1 violation
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
2
Water Systems
5,050
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.003 mg/L
Reported Lead Result1.3× the national median for this measure
Zone 1
County Radon Potential · High

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
98/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
Unknown
Indoor environment
0/100
Outdoor environment
Unknown

Coverage: 2 of 4 components and 1 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) HIGH

Your Water System

ZIP code 57256 in Ortley, South Dakota is mapped to the water system Grant-roberts Rural Water System (EPA ID: SD4600864). This system provides water to approximately 5,050 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Grant-roberts Rural Water System SD4600864 5,050 Groundwater
Web Water Development Association SD4601089 20,750 Surface water

Other Water Quality Reports in South Dakota

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Grant-roberts Rural Water System (SD4600864) on EPA.gov.

5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →
Environmental Hazards (10) HIGH
Home & Infrastructure (6) HIGH

Possible home maintenance concerns - talk to a local expert.

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Cost & Community (7) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Ortley

Based on local data for ZIP 57256, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 57256 was built around 1952. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Ortley is 1952; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1952 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 57256 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 57256 (primary system: Grant-roberts Rural Water System), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 57256's water come from?

The recorded water source for Grant-roberts Rural Water System, a system mapped to ZIP code 57256, is Groundwater. This system serves approximately 5,050 people.

How can I get my water tested in Ortley?

If Grant-roberts Rural Water System supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 57256 tap water?

The Lead and Copper Rule record selected for 57256 reports a 90th-percentile lead result of 0.003 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 57256?

57256 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Grant County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Ortley, SD (57256): 1 Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/57256/
BibTeX 
@misc{zipcheckup-report-57256,
  author = {{ZipCheckup}},
  title  = {{Ortley, SD (57256): 1 Violation Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/57256/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 57256

ZIP Code City, State Distance Grade Violations
57273 Waubay, SD 9.2 mi N/A 0
57266 Summit, SD 9.4 mi N/A 1
57251 Marvin, SD 13.7 mi N/A 1
57263 South Shore, SD 15.0 mi C 4
57235 Florence, SD 15.2 mi N/A 3
57274 Webster, SD 16.5 mi N/A 0
57272 Wallace, SD 17.7 mi N/A 0
57239 Grenville, SD 17.8 mi N/A 0
57269 Twin Brooks, SD 18.1 mi N/A 1
57279 Wilmot, SD 19.2 mi N/A 1

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Coverage: 13/17 risk factors Data sources →
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