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Public water system record

Town of Greenwood Water System

Serves Greenwood, Caddo Parish, LA · 5,205 people served

Federal records show 7 health-based violations and 1 monitoring/reporting issue for Town of Greenwood Water System in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • LA1017014
  • GREENWOOD
  • LA
  • 5,205 served

System profile

Source water Surface water
ZIP 71033
EPA system ID LA1017014

Verify this system on EPA ECHO →

Health-based violations, last 10 years
7
Resolved
7
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Town of Greenwood Water System draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit), 2023.
  • Record on file since 1999, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,671 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Apr 1, 2024 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jan 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jul 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Apr 1, 2023 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2023 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jan 1, 2022 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
CARBON, TOTAL
Monitoring and reporting
 Jan 1, 2017 Resolved

Full record since 1999

EPA's records for Town of Greenwood Water System go back to 1999. Before October 19, 2016 they list 4 health-based violations (3 resolved, 1 archived by EPA without a recorded fix) and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 2 5
2010 to October 18, 2016 2 2
October 19, 2016 to 2019 0 1
2020s 7 0

Most recent health-based violation before October 19, 2016: Revised Total Coliform Rule (acute), began August 2016, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Revised Total Coliform Rule (acute)
Contaminant limit exceeded
 Aug 1, 2016 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2012 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 2008 Archived

What the violations mean

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Long Term 2 Enhanced Surface Water Treatment Rule

2 incidents

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Town of Greenwood Water System draws water from 1 surface water intake. It also has an emergency connection to Shreveport Water System.

Emergency or part-time connections to

Annual water quality report

Town of Greenwood Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Louisiana.

Certified drinking water labs by state EPA guidance for private wells