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ROCK VALLEY RURAL WATER DISTRICT

Iowa — Community Water System — PWSID: IA8482701

System Information

PWSIDIA8482701
System NameROCK VALLEY RURAL WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedDec 21, 1984
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityROCK VALLEY
ZIP Code51247
AddressATTN WATER SUPT
OrganizationROCK VALLEY RURAL WATER DISTRICT
Phone712-476-5246

Population & Service

Population Served2,230
Service Connections892

Drinking Water Violations (59)

This water system has 59 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
Aug 1, 2016 Aug 31, 2016 Groundwater Rule TT Yes No — — — Resolved Aug 31, 2016 Ground Water Rule
Aug 1, 2016 Aug 31, 2016 Groundwater Rule TT Yes No — — — Resolved Aug 31, 2016 Ground Water Rule
Aug 1, 2016 Aug 31, 2016 Groundwater Rule TT Yes No — — — Resolved Aug 31, 2016 Ground Water Rule
Aug 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2005 Aug 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2005 Aug 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2005 Aug 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Oct 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1996 Dec 31, 1996 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1996 Dec 31, 1996 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1996 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Oct 1, 1995 Dec 31, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Apr 1, 1995 Jun 30, 1995 Xylenes, Total MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Dec 31, 1993 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Oct 1, 1993 Oct 31, 1993 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Oct 31, 1993 Volatile Organic Chemicals
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 28, 1993 Total Coliform Rule
Jul 1, 1987 Jun 30, 1990 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1990 Nitrate 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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