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Public water system record

Southside Water Inc.

Serves Calcium, Jefferson County, NY · 195 people served

Federal records show 2 health-based violations and no monitoring/reporting issues for Southside Water Inc. in the last ten years. The most serious issue in this window was a Haloacetic Acids (HAA5) violation that EPA lists as archived, not resolved.

  • NY2221333
  • CLAYTON
  • NY
  • 195 served

System profile

Source water Purchased surface water
ZIP 13624
EPA system ID NY2221333

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
0
Archived by EPA
1
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Southside Water Inc. buys its water from Watertown City.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 84.6 µg/L, federal limit 80 µg/L (1.1 times the limit), 2016.
  • Most recent formal enforcement: compliance order (no penalty) by EPA, August 2016.
  • Record on file since 1999, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 119 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63.4 µg/L, federal limit 60 µg/L (1.1 times the limit)
 220 Oct 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.6 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Oct 1, 2016 Resolved No

Full record since 1999

EPA's records for Southside Water Inc. go back to 1999. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 1 monitoring or reporting violation.

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

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 84.6 µg/L, federal limit 80 µg/L (1.1 times the limit)
 Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 96 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 100 µg/L, federal limit 80 µg/L (1.3 times the limit)
 Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 101.3 µg/L, federal limit 80 µg/L (1.3 times the limit)
 Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 101.4 µg/L, federal limit 80 µg/L (1.3 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 93.7 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 93 µg/L, federal limit 80 µg/L (1.2 times the limit)
 Apr 1, 2015 Resolved

Enforcement actions

EPA took 3 formal enforcement actions against Southside Water Inc. between 2000 and 2016. The most recent was a compliance order (no penalty) in August 2016.

Date By Action Violations covered
Aug 22, 2016 EPA Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Jun 15, 2016 EPA Compliance order (no penalty) 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Apr 10, 2000 EPA Compliance order (no penalty) 1 violation: Consumer Confidence Rule

What the violations mean

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Southside Water Inc. buys its water from Watertown City. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Southside Water Inc. 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Southside Water Inc. for a copy.

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 New York.

Certified drinking water labs by state EPA guidance for private wells