WALL LAKE WATER SUPPLY
Iowa — Community Water System — PWSID: IA8166061
System Information
| PWSID | IA8166061 |
| System Name | WALL LAKE 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 | WALL LAKE |
| ZIP Code | 51466 |
| Address | ATTN WATER SUPT |
| Organization | WALL LAKE WATER SUPPLY |
| Phone | 712-664-2216 |
Population & Service
| Population Served | 780 |
| Service Connections | 465 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2015 | Jun 30, 2016 | Nitrate | MCL | Yes | No | 13 MG/L | 10 mg/L | — | Resolved | Jun 30, 2016 | Nitrate Rule |
| Jul 1, 2015 | Jun 30, 2016 | Nitrate | MCL | Yes | No | 13 MG/L | 10 mg/L | — | Resolved | Jun 30, 2016 | Nitrate Rule |
| Jul 1, 2015 | Jun 30, 2016 | Nitrate | MCL | Yes | No | 13 MG/L | 10 mg/L | — | Resolved | Jun 30, 2016 | Nitrate Rule |
| Jul 1, 2015 | Jun 30, 2016 | Nitrate | MCL | Yes | No | 13 MG/L | 10 mg/L | — | Resolved | Jun 30, 2016 | Nitrate Rule |
| Jul 1, 2015 | Jun 30, 2016 | Nitrate | MCL | Yes | No | 13 MG/L | 10 mg/L | — | Resolved | Jun 30, 2016 | Nitrate Rule |
| Apr 1, 1996 | Jun 30, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1996 | Nitrate Rule |
| Apr 1, 1996 | Jun 30, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1996 | Nitrate Rule |
| Apr 1, 1996 | Jun 30, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1996 | Nitrate Rule |
| Apr 1, 1995 | Apr 30, 1995 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Apr 30, 1995 | Synthetic Organic Chemicals |
| Apr 1, 1995 | Apr 30, 1995 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Apr 30, 1995 | Synthetic Organic Chemicals |
| Apr 1, 1995 | Apr 30, 1995 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Apr 30, 1995 | Synthetic Organic Chemicals |
| Apr 1, 1995 | Apr 30, 1995 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Apr 30, 1995 | Volatile Organic Chemicals |
| Apr 1, 1995 | Apr 30, 1995 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Apr 30, 1995 | Volatile Organic Chemicals |
| Apr 1, 1995 | Apr 30, 1995 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Apr 30, 1995 | Volatile Organic Chemicals |
| Jul 1, 1994 | Jun 30, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1995 | Nitrate Rule |
| Jul 1, 1994 | Jun 30, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1995 | Nitrate Rule |
| Jul 1, 1994 | Jun 30, 1995 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Jun 30, 1995 | Nitrate Rule |
| Apr 1, 1987 | Mar 31, 1990 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1990 | Nitrate Rule |
| Apr 1, 1987 | Mar 31, 1990 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Mar 31, 1990 | Nitrate Rule |
| Jul 1, 1985 | Aug 31, 1985 | Nitrate | MCL | Yes | No | 57.77 | 10 mg/L | 10 | Archived | Aug 31, 1985 | Nitrate Rule |
| Aug 11, 1979 | Aug 10, 1980 | Selenium | MCL | Yes | No | .02 | 0.05 mg/L | 141.11 | Archived | Aug 10, 1980 | Inorganic Chemicals |
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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.