TOM THUMB MONTESSORI SCHOOL
Alaska - Non-Transient Non-Community - PWSID: AK2215980
System Information
| PWSID | AK2215980 |
| System Name | TOM THUMB MONTESSORI SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Aug 29, 1989 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | Alaska |
| City | ANCHORAGE |
| ZIP Code | 99503 |
| Address | 1901 Spenard Road |
| Organization | LISTON, DONN |
| Phone | 907-272-5033 |
Population & Service
| Population Served | 102 |
| Service Connections | 2 |
Drinking Water Violations (134)
This water system has 134 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2005 | - | |
| Apr 1, 2005 | Apr 30, 2005 | MR | No | No | - | 5% of samples | - | Archived | Apr 30, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2005 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2004 | - | |
| Mar 1, 2004 | Mar 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2004 | - | |
| Nov 1, 1996 | Oct 31, 2001 | Other | No | No | - | - | - | Archived | Oct 31, 2001 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | - | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | - | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Sep 30, 1995 | - |
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.