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PONDEROSA MOBILE HOME RANCH

South Dakota — Community Water System — PWSID: SD4600260

System Information

PWSIDSD4600260
System NamePONDEROSA MOBILE HOME RANCH
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
CityRAPID CITY
ZIP Code57709
AddressPO BOX 9141
OrganizationPONDEROSA MOBILE HOME RANCH
Phone—

Population & Service

Population Served100
Service Connections39

Drinking Water Violations (118)

This water system has 118 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
May 11, 2019 — Public Notice Other No No — — — Resolved Jun 27, 2019 Public Notice Rule and Revised PN Rule
May 11, 2019 — Public Notice Other No No — — — Resolved Jun 27, 2019 Public Notice Rule and Revised PN Rule
Oct 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Sep 19, 2019 Lead and Copper Rule
Oct 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Sep 19, 2019 Lead and Copper Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 LASSO MR No Yes — — — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2018 Synthetic Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2018 Volatile Organic Chemicals
Jan 1, 2018 Dec 31, 2018 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2018 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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