Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Safety Ratings 11,700+ NHTSA crash test ratings Investigations 5,300+ NHTSA defect investigations Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports Brand History Cross-category recall lookup by company
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

MOUNT AYR WATER TREATMENT PLANT

Iowa — Community Water System — PWSID: IA8055014

System Information

PWSIDIA8055014
System NameMOUNT AYR WATER TREATMENT PLANT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityMOUNT AYR
ZIP Code50854
AddressATTN BRENT WISE WATER SUPT
OrganizationMOUNT AYR WATER TREATMENT PLANT
Phone641-464-2402

Population & Service

Population Served1,683
Service Connections900

Drinking Water Violations (588)

This water system has 588 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
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jun 1, 2022 Jun 30, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2022 Revised Total Coliform Rule
Jun 1, 2018 Jun 30, 2018 Revised Total Coliform Rule MON No No — — — Archived Jun 30, 2018 Revised Total Coliform Rule
Jun 1, 2018 Jun 30, 2018 Revised Total Coliform Rule MON No No — — — Archived Jun 30, 2018 Revised Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved May 10, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Apr 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2011 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved May 10, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Apr 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2011 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved May 10, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Apr 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2011 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Jun 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved May 10, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2011 Apr 30, 2011 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2011 Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2002 Mar 31, 2002 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2002 Former Total Trihalomethane Rule
Jan 1, 2002 Mar 31, 2002 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2002 Former Total Trihalomethane Rule
Jan 1, 2002 Mar 31, 2002 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2002 Former Total Trihalomethane Rule
Jan 1, 2002 Mar 31, 2002 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2002 Former Total Trihalomethane Rule
Jan 1, 2002 Mar 31, 2002 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2002 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2001 Dec 31, 2001 TTHM MCL Yes No .11555 0.080 mg/L — Resolved Dec 31, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jul 1, 2001 Sep 30, 2001 TTHM MCL Yes No .1369 0.080 mg/L — Resolved Sep 30, 2001 Former Total Trihalomethane Rule
Jan 1, 2001 Mar 31, 2001 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2001 Former Total Trihalomethane Rule
Jan 1, 2001 Mar 31, 2001 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2001 Former Total Trihalomethane Rule
Jan 1, 2001 Mar 31, 2001 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2001 Former Total Trihalomethane Rule
Jan 1, 2001 Mar 31, 2001 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2001 Former Total Trihalomethane Rule
Jan 1, 2001 Mar 31, 2001 TTHM MCL Yes No .115 0.080 mg/L — Resolved Mar 31, 2001 Former Total Trihalomethane Rule
Oct 1, 2000 Dec 31, 2000 TTHM MCL Yes No .111 0.080 mg/L — Resolved Dec 31, 2000 Former Total Trihalomethane 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Iowa