Community Water System · PWSID SC3520002

Mccormick Co W&Sa (Sc3520002)

Serves 8,500 peopleSurface Water PurchasedOwner: Local GovernmentMccormick, South Carolina
Nothing open that measures the water, but 1 open testing or paperwork violation.

A missed test is not evidence of bad water. It also is not evidence of good water: for that period nobody checked.

On record since 1993: 17 violations. 10 over the limit · 7 missed or late tests. Most recent began 2023-01-01.

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

10Over the limit
0Treatment lapse
7Missed or late test1 open
0Notice or report

More violations on record than 98% of active water systems in South Carolina. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

1993 · Missed or late test: 119952000 · Missed or late test: 120002003 · Missed or late test: 120052008 · Missed or late test: 12010 · Missed or late test: 120102013 · Missed or late test: 12014 · Missed or late test: 120152016 · Over the limit: 12019 · Over the limit: 42019 · Over the limit: 42019 · Over the limit: 42019 · Over the limit: 420202022 · Over the limit: 42022 · Over the limit: 42022 · Over the limit: 42022 · Over the limit: 42023 · Over the limit: 12025
One square = one violation, by the year it began. Empty columns are years with nothing on EPA's record.
59% over the limit · 1041% missed or late test · 7

Across South Carolina, 61% of violations are missed or late tests and 9% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Trihalomethanes (TTHM)2023-01-01 · Trihalomethanes (TTHM): measured 0.0820 MG/L vs limit 0.0800 MG/L (1.0×)2022-10-01 · Trihalomethanes (TTHM): measured 0.0970 MG/L vs limit 0.0800 MG/L (1.2×)2022-07-01 · Trihalomethanes (TTHM): measured 0.1150 MG/L vs limit 0.0800 MG/L (1.4×)2022-04-01 · Trihalomethanes (TTHM): measured 0.1110 MG/L vs limit 0.0800 MG/L (1.4×)2022-01-01 · Trihalomethanes (TTHM): measured 0.0990 MG/L vs limit 0.0800 MG/L (1.2×)2019-10-01 · Trihalomethanes (TTHM): measured 0.0810 MG/L vs limit 0.0800 MG/L (1.0×)2019-07-01 · Trihalomethanes (TTHM): measured 0.0830 MG/L vs limit 0.0800 MG/L (1.0×)2019-04-01 · Trihalomethanes (TTHM): measured 0.0860 MG/L vs limit 0.0800 MG/L (1.1×)2019-01-01 · Trihalomethanes (TTHM): measured 0.0830 MG/L vs limit 0.0800 MG/L (1.0×)2016-10-01 · Trihalomethanes (TTHM): measured 0.0820 MG/L vs limit 0.0800 MG/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.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 5 results on file · action level 15 ppb

3.1 ppb
0.52 ppb
0 ppb
0 ppb
0 ppb

Open now (1)

  1. 2014-08-13Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen

Every violation on record

  1. 2023-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0820 MG/L · limit 0.0800 MG/LBack in compliance
  2. 2022-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0970 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  3. 2022-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1150 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  4. 2022-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.1110 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  5. 2022-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0990 MG/L · limit 0.0800 MG/LPeriod ended · no return to compliance on file
  6. 2019-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0810 MG/L · limit 0.0800 MG/LBack in compliance
  7. 2019-07-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0830 MG/L · limit 0.0800 MG/LBack in compliance
  8. 2019-04-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0860 MG/L · limit 0.0800 MG/LBack in compliance
  9. 2019-01-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0830 MG/L · limit 0.0800 MG/LBack in compliance
  10. 2016-10-01Trihalomethanes (TTHM)MCL, Averagemeasured 0.0820 MG/L · limit 0.0800 MG/LBack in compliance
  11. 2014-08-13Trihalomethanes (TTHM)Failure Submit IDSE/Subpart V Plan RptOpen
  12. 2013-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  13. 2010-07-02Dbp Stage 2Failure Submit IDSE/Subpart V Plan RptBack in compliance
  14. 2008-04-02Dbp Stage 2Monitoring, Routine (IDSE)Back in compliance
  15. 2003-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  16. 2000-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  17. 1993-01-01Lead and Copper RuleInitial Tap Sampling for Pb and CuBack in compliance

System details

Population served8,500
Service connections6,701
Water sourceSurface Water Purchased
System typeCommunity Water System
OwnerLocal Government
StatusActive
CityMccormick
EPA ZIP on file29835

Areas served

  • Mccormick, Mccormick County

Reading this record

Mccormick Co W&Sa (Sc3520002) is a community water system that draws from surface water purchased and serves about 8,500 people in Mccormick, South Carolina. 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.