BIG WALNUT WATER COMPANY
Indiana — Community Water System — PWSID: IN5267002
System Information
| PWSID | IN5267002 |
| System Name | BIG WALNUT WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1981 |
| Last Reported | Nov 14, 2025 |
Location & Contact
| State | Indiana |
| City | GREENCASTLE |
| ZIP Code | 46135 |
| Address | 121 South County Road 300 West |
| Organization | MACE, JEFF |
| Phone | 765-721-1989 |
Population & Service
| Population Served | 500 |
| Service Connections | 213 |
Drinking Water Violations (24)
This water system has 24 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, 2022 | Dec 31, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 11, 2019 | Lead and Copper Rule |
| Oct 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 28, 2018 | Lead and Copper Rule |
| Oct 1, 2018 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Nov 28, 2018 | Lead and Copper Rule |
| Sep 1, 2017 | Aug 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2017 | Aug 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2017 | Aug 31, 2018 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2017 | Aug 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2017 | Aug 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2017 | Aug 31, 2018 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2018 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2017 | Jul 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2017 | Revised Total Coliform Rule |
| Jan 1, 2017 | Dec 31, 2017 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Dec 31, 2017 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Dec 31, 2017 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2017 | Dec 31, 2017 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2017 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Aug 1, 2012 | Aug 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2012 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Jul 1, 2009 | Jul 31, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2009 | Total Coliform Rule |
| Sep 1, 2004 | Sep 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2004 | Total Coliform Rule |
| May 1, 1999 | May 31, 1999 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1999 | 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.