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CASTALIA WATER WORKS

Iowa — Community Water System — PWSID: IA9620082

System Information

PWSIDIA9620082
System NameCASTALIA WATER WORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityOSSIAN
ZIP Code52161
AddressATTN DONNIE DILAURA
OrganizationCASTALIA WATER WORKS
Phone563-419-4631

Population & Service

Population Served145
Service Connections86

Drinking Water Violations (39)

This water system has 39 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
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Sep 1, 1994 Sep 30, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 12, 1994 Total Coliform Rule
Mar 1, 1992 Mar 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 1992 Total Coliform Rule
Mar 1, 1992 Mar 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 1992 Total Coliform Rule
Mar 1, 1992 Mar 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 1992 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1991 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1991 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1991 Total Coliform Rule
Oct 1, 1991 Oct 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1991 Total Coliform Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
Jul 1, 1987 Jun 30, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 1991 Radionuclides and Revised Rad Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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