Horiguchi Building
MP — Non-Transient Non-Community — PWSID: MP0000024
System Information
| PWSID | MP0000024 |
| System Name | Horiguchi Building |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 24, 1997 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | MP |
| City | SAIPAN |
| ZIP Code | 96950 |
| Address | P.O. BOX 504429 |
| Organization | Chalan Kiya Townhouse |
| Phone | 6702340596 |
Population & Service
| Population Served | 88 |
| Service Connections | 1 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 21, 2023 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Nov 22, 2022 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2020 | Nitrate Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 11, 2005 | Lead and Copper Rule |
| Jul 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 11, 2005 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 11, 2005 | Lead and Copper Rule |
| Jan 1, 2002 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 11, 2005 | Lead and Copper Rule |
| Jan 1, 2002 | Mar 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2002 | Total Coliform Rule |
| Oct 1, 2001 | Dec 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2001 | Total Coliform Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 3, 2003 | Lead and Copper Rule |
| Jul 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Jul 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Jul 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Jul 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 3, 2003 | Lead and Copper Rule |
| Apr 1, 2001 | Jun 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | Total Coliform Rule |
| Jan 1, 2001 | Mar 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2001 | Total Coliform 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.