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EDELWEISS MOUNTAIN IMPROVEMENT ASSOC

South Dakota — Community Water System — PWSID: SD4600273

System Information

PWSIDSD4600273
System NameEDELWEISS MOUNTAIN IMPROVEMENT ASSOC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityBLACK HAWK
ZIP Code57718
AddressPO BOX 761
OrganizationEDELWEISS MOUNTAIN IMPROVEMENT ASSOC
Phone6057864366

Population & Service

Population Served70
Service Connections75

Drinking Water Violations (513)

This water system has 513 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Aug 12, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Aug 12, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Aug 12, 2003 Consumer Confidence Rule
Jan 1, 2002 Dec 31, 2002 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2002 Dec 31, 2002 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2002 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals
Jan 1, 2001 Dec 31, 2001 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2001 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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