TWIN KNOLLS FOURTH/FIFTH ADDITION
Iowa - Community Water System - PWSID: IA5784326
System Information
| PWSID | IA5784326 |
| System Name | TWIN KNOLLS FOURTH/FIFTH ADDITION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 27, 1992 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Iowa |
| City | CEDAR RAPIDS |
| ZIP Code | 52408 |
| Address | ATTN KENDRA KISLING |
| Organization | TWIN KNOLLS FOURTH/FIFTH ADDITION |
| Phone | 319-310-3227 |
Population & Service
| Population Served | 90 |
| Service Connections | 36 |
Drinking Water Violations (165)
This water system has 165 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 24, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 24, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 24, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Dec 1, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| May 13, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| May 13, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| May 13, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| Oct 12, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Oct 12, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Oct 12, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Oct 12, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Jul 13, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 13, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 13, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 13, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2023 | - | |
| Dec 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 9, 2023 | - | |
| Dec 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 9, 2023 | - | |
| Dec 1, 2018 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Apr 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Apr 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2014 | - | |
| Aug 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2013 | - | |
| Aug 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2013 | - | |
| Aug 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2013 | - | |
| Aug 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2013 | - | |
| Aug 1, 2013 | - | Other | No | No | - | - | - | Resolved | Aug 1, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 17, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 1, 2013 | - |
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.