TIFFIN WATER SUPPLY
Iowa — Community Water System — PWSID: IA5288021
System Information
| PWSID | IA5288021 |
| System Name | TIFFIN WATER SUPPLY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 27, 1979 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Iowa |
| City | TIFFIN |
| ZIP Code | 52340-0259 |
| Address | ATTN BRETT MEHMEN WATER SUPT |
| Organization | TIFFIN WATER SUPPLY |
| Phone | 319-631-1698 |
Population & Service
| Population Served | 4,512 |
| Service Connections | 1,500 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jun 1, 2014 | Jun 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2014 | Total Coliform Rule |
| Jul 1, 2005 | Aug 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Aug 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Aug 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Aug 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2005 | Aug 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Oct 1, 2000 | Sep 30, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2001 | Arsenic Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
| Jan 1, 1987 | Mar 31, 1987 | Combined Radium (-226 and -228) | MCL | Yes | No | 8.4 | 5 pCi/L | — | Resolved | Mar 31, 1987 | Radionuclides and Revised Rad Rule |
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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.