CRYSTAL LAKE MONTESSORI
Illinois — Non-Transient Non-Community — PWSID: IL3057232
System Information
| PWSID | IL3057232 |
| System Name | CRYSTAL LAKE MONTESSORI |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 18, 1982 |
| Last Reported | Mar 12, 2026 |
Location & Contact
| State | Illinois |
| City | WOODSTOCK |
| ZIP Code | 60098 |
| Address | 3013 Country Club Rd |
| Organization | NICHOLSON, AMBER |
| Phone | 815-338-0013 |
Population & Service
| Population Served | 200 |
| Service Connections | 1 |
Drinking Water Violations (193)
This water system has 193 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 18, 2022 | — | MR | No | No | — | TT | — | Resolved | May 3, 2022 | — | |
| Jan 18, 2022 | — | MR | No | No | — | TT | — | Resolved | May 3, 2022 | — | |
| Jan 18, 2022 | — | MR | No | No | — | TT | — | Resolved | May 3, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.1 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.00005 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.5 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.001 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.7 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0004 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.07 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | — | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.004 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.02 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.003 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0005 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2019 | — | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2015 | — | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2015 | — | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2015 | — | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Oct 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jun 2, 2015 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2012 | — |
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.