HARRIS COUNTY WCID 21
Texas — Community Water System — PWSID: TX1010769
System Information
| PWSID | TX1010769 |
| System Name | HARRIS COUNTY WCID 21 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | CHANNELVIEW |
| ZIP Code | 77530-3702 |
| Address | 15808 AVENUE C |
| Organization | SMITH, JIMMY, L |
| Phone | 281-452-2011 |
Population & Service
| Population Served | 13,845 |
| Service Connections | 4,434 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Aug 29, 2023 | — | |
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Aug 29, 2023 | — | |
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Aug 29, 2023 | — | |
| Oct 1, 2022 | — | MR | No | No | — | TT | — | Resolved | Aug 29, 2023 | — | |
| Apr 3, 2022 | — | Other | No | No | — | — | — | Resolved | Apr 7, 2025 | — | |
| Apr 3, 2022 | — | Other | No | No | — | — | — | Resolved | Apr 7, 2025 | — | |
| Oct 2, 2021 | — | Other | No | No | — | — | — | Resolved | Apr 7, 2025 | — | |
| Oct 2, 2021 | — | Other | No | No | — | — | — | Resolved | Apr 7, 2025 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2020 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2016 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | .082 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | .083 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2015 | — | |
| Dec 30, 2013 | — | MR | No | No | — | TT | — | Resolved | Mar 7, 2016 | — | |
| Dec 30, 2013 | — | MR | No | No | — | TT | — | Resolved | Mar 7, 2016 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.