Mountain Plains 2 Homeowners Assoc
EPA ID: SD4602169 · 268 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Mountain Plains 2 Homeowners Assoc (SD4602169): 5 unresolved EPA violations on record. Where compliant utilities carry no open actions, Mountain Plains 2 Homeowners Assoc shows 5 active EPA violations in the federal database for a service population of approximately 268.
Data: EPA SDWIS
Service Area Map
Coverage area for Mountain Plains 2 Homeowners Assoc Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mountain Plains 2 Homeowners Assoc serves a community with a median household income of $64,970 and an estimated 16,929 residents across its service area. Approximately 46% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Mountain Plains 2 Homeowners Assoc's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 90th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Mountain Plains 2 Homeowners Assoc compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in South Dakota
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Mountain Plains 2 Homeowners Assoc (EPA ID: SD4602169) is a community water system in South Dakota that serves approximately 268 people from groundwater sources.
This system serves ZIP code 57783 in Spearfish.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 0 archived, 0 addressed, and 5 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| December 13, 2025 | Lead and Copper Rule | Non-health-based | Unaddressed (current) |
| October 31, 2025 | Contaminant 0700 | Health-based | Unaddressed (current) |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| July 1, 2024 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 3 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
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 | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
- 57783 - Spearfish
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mountain Plains 2 Homeowners Assoc (SD4602169) on EPA.gov.
Frequently Asked Questions
Is Mountain Plains 2 Homeowners Assoc water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Mountain Plains 2 Homeowners Assoc. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Mountain Plains 2 Homeowners Assoc serve?
Mountain Plains 2 Homeowners Assoc serves approximately 268 people across 1 ZIP code in South Dakota.
Where does Mountain Plains 2 Homeowners Assoc get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mountain Plains 2 Homeowners Assoc (SD): 1 Health Violation. https://zipcheckup.com/water-system/sd4602169/
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author = {{ZipCheckup}},
title = {{Mountain Plains 2 Homeowners Assoc (SD): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/sd4602169/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Mountain Plains 2 Homeowners Assoc (EPA ID: SD4602169) - request the latest Consumer Confidence Report or ask about specific contaminants.