Community Water System · PWSID NY2230023

Danc Western Regional

Surface Water PurchasedOwner: Public/PrivateWatertown, New York
Nothing open right now.

On record since 2015: 5 violations. 5 over the limit. Most recent began 2024-10-01.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

5Over the limit
0Treatment lapse
0Missed or late test
0Notice or report

More violations on record than 48% of active water systems in New York. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

200520102015 · Over the limit: 120152016 · Over the limit: 120202024 · Over the limit: 32024 · Over the limit: 32024 · Over the limit: 32025
One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.
100% over the limit · 5

Across New York, 67% of violations are missed or late tests and 3% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Trihalomethanes (TTHM)2016-01-01 · Trihalomethanes (TTHM): measured 83.20 UG/L vs limit 80.00 UG/L (1.0×)2015-10-01 · Trihalomethanes (TTHM): measured 82.50 UG/L vs limit 80.00 UG/L (1.0×)
Each dot is one over-the-limit violation: the measured value divided by the limit it broke, on a log scale. Most legal limits for chemicals are running averages set for a lifetime of drinking, so “just over” and “ten times over” are very different news. Hover a dot for the numbers.

Every violation on record

  1. 2024-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 86.50 UG/LPeriod ended · no return to compliance on file
  2. 2024-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 81.50 UG/LPeriod ended · no return to compliance on file
  3. 2024-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 80.80 UG/LPeriod ended · no return to compliance on file
  4. 2016-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 83.20 UG/L · limit 80.00 UG/LBack in compliance
  5. 2015-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 82.50 UG/L · limit 80.00 UG/LBack in compliance

System details

Population served0
Service connections8
Water sourceSurface Water Purchased
System typeCommunity Water System
OwnerPublic/Private
StatusActive
CityWatertown
EPA ZIP on file13601

Areas served

  • Jefferson County

Reading this record

Danc Western Regional is a community water system that draws from surface water purchased and serves about 0 people in Watertown, New York. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.