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CAVOUR

South Dakota — Community Water System — PWSID: SD4600084

System Information

PWSIDSD4600084
System NameCAVOUR
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusInactive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedDec 9, 2025

Location & Contact

StateSouth Dakota
CityIROQUOIS
ZIP Code57353
Address120 QUAPAW STREET NORTH
OrganizationCAVOUR
Phone6055462232

Population & Service

Population Served114
Service Connections75

Drinking Water Violations (53)

This water system has 53 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, 2001 Aug 21, 2001 Consumer Confidence Rule Other No Yes — — — Resolved Aug 21, 2001 Consumer Confidence Rule
Jul 1, 2001 Aug 21, 2001 Consumer Confidence Rule Other No Yes — — — Resolved Aug 21, 2001 Consumer Confidence Rule
Jul 1, 1994 Feb 21, 1995 Lead and Copper Rule MR No No — TT — Resolved Feb 21, 1995 Lead and Copper Rule
Jul 1, 1994 Feb 21, 1995 Lead and Copper Rule MR No No — TT — Resolved Feb 21, 1995 Lead and Copper Rule
Jan 1, 1994 Dec 31, 1994 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Feb 21, 1995 Lead and Copper Rule MR No No — TT — Resolved Feb 21, 1995 Lead and Copper Rule
Jan 1, 1994 Feb 21, 1995 Lead and Copper Rule MR No No — TT — Resolved Feb 21, 1995 Lead and Copper Rule
Jan 1, 1994 Dec 31, 1994 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1994 Dec 31, 1994 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 1994 Volatile Organic Chemicals
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Nitrate Rule
Jan 1, 1993 Dec 31, 1993 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Nitrate Rule
Nov 1, 1991 Nov 30, 1991 Coliform (TCR) MR No Yes — 5% of samples — Archived Nov 30, 1991 Total Coliform Rule

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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