Public water system record

Bates County PWSD 2

Serves an area of Bates County, MO that includes Amsterdam and Merwin · 752 people served

Federal records show 9 health-based violations and 4 monitoring/reporting issues for Bates County PWSD 2 in the last ten years. The most serious issue in this window was a resolved CARBON, TOTAL violation.

  • MO1024031
  • AMSTERDAM
  • MO
  • 752 served

System profile

Source water Surface water
ZIP 64723
EPA system ID MO1024031

Verify this system on EPA ECHO →

Health-based violations, last 10 years
9
Resolved
9
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Bates County PWSD 2 draws water from 1 surface water intake and 1 reservoir.
  • Most recent formal enforcement: compliance order with a penalty by Missouri, March 2025.
  • Record on file since 1991, with 30 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 371 unknown out of 420 service lines.

Check whether Bates County PWSD 2 serves your address

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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
CARBON, TOTAL
Treatment technique failure
210 Apr 1, 2024 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jan 1, 2024 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Oct 1, 2023 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jul 1, 2023 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Apr 1, 2023 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jul 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Apr 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jan 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jul 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Public Notice
OTHER
Jul 15, 2021 Resolved

Full record since 1991

EPA's records for Bates County PWSD 2 go back to 1991. Before October 19, 2016 they list 30 health-based violations (30 resolved) and 15 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 3
2000s 15 4
2010 to October 18, 2016 14 8
October 19, 2016 to 2019 1 0
2020s 8 4

Most recent health-based violation before October 19, 2016: CARBON, TOTAL, began July 2013, Resolved.

Show all 30 health-based violations before October 19, 2016
Contaminant Start date Status
CARBON, TOTAL
Treatment technique failure
Jul 1, 2013 Resolved
CARBON, TOTAL
Treatment technique failure
Oct 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
Jul 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
Apr 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
Jan 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
Oct 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 95.6 µg/L, federal limit 80 µg/L (1.2 times the limit)
Apr 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 101.43 µg/L, federal limit 80 µg/L (1.3 times the limit)
Jan 1, 2011 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61.09 µg/L, federal limit 60 µg/L (at or just above the limit)
Oct 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 108.65 µg/L, federal limit 80 µg/L (1.4 times the limit)
Oct 1, 2010 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 66.45 µg/L, federal limit 60 µg/L (1.1 times the limit)
Jul 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 108.75 µg/L, federal limit 80 µg/L (1.4 times the limit)
Jul 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85.69 µg/L, federal limit 80 µg/L (1.1 times the limit)
Apr 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.02 µg/L, federal limit 80 µg/L (1.1 times the limit)
Jan 1, 2010 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 85.33 µg/L, federal limit 80 µg/L (1.1 times the limit)
Oct 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 86.77 µg/L, federal limit 60 µg/L (1.4 times the limit)
Apr 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 99.47 µg/L, federal limit 80 µg/L (1.2 times the limit)
Apr 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 90.11 µg/L, federal limit 60 µg/L (1.5 times the limit)
Jan 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96.65 µg/L, federal limit 80 µg/L (1.2 times the limit)
Jan 1, 2008 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 72.53 µg/L, federal limit 60 µg/L (1.2 times the limit)
Oct 1, 2007 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 61.59 µg/L, federal limit 60 µg/L (at or just above the limit)
Jul 1, 2007 Resolved
CARBON, TOTAL
Treatment technique failure
Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Jan 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Oct 1, 2004 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Jul 1, 2004 Resolved
CARBON, TOTAL
Treatment technique failure
Jan 1, 2004 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Mar 1, 1991 Resolved

Enforcement actions

Missouri regulators took 2 formal enforcement actions against Bates County PWSD 2 and issued 2 boil water orders between 1991 and 2025. The most recent was a compliance order with a penalty in March 2025.

Date By Action Violations covered
Mar 11, 2025 Missouri Compliance order with a penalty 8 violations (5 health-based): CARBON, TOTAL, Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule
Jun 3, 2011 Missouri Compliance order with a penalty 13 violations (12 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Total Coliform
Apr 26, 1991 Missouri Boil water order 1 violation
Apr 3, 1991 Missouri Boil water order 1 violation (1 health-based): Total Coliform

What the violations mean

CARBON, TOTAL

9 incidents

The system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Bates County PWSD 2 draws water from 1 surface water intake and 1 reservoir. 2 other community water systems buy water from Bates County PWSD 2.

Community systems that buy water from it

Annual water quality report

Bates County PWSD 2 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 Missouri.