Transient Non-Community · PWSID CA5700558

Excel Gas and Market

Serves 100 peopleGroundwaterOwner: PrivateTracy, California
Nothing open right now.

On record since 2008: 32 violations. 3 over the limit · 29 missed or late tests. Most recent began 2018-06-01.

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

3Over the limit
0Treatment lapse
29Missed or late test
0Notice or report

More violations on record than 95% of active water systems in California. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

20052008 · Over the limit: 12009 · Over the limit: 120102013 · Missed or late test: 12015 · Missed or late test: 220152016 · Missed or late test: 142016 · Missed or late test: 142016 · Missed or late test: 142016 · Missed or late test: 142016 · Missed or late test: 142016 · Missed or late test: 142016 · Missed or late test: 142017 · Over the limit: 12017 · Missed or late test: 62017 · Missed or late test: 62017 · Missed or late test: 62018 · Missed or late test: 62018 · Missed or late test: 62018 · Missed or late test: 620202025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
9% over the limit · 391% missed or late test · 29

Across California, 52% of violations are missed or late tests and 29% are water over a limit.

How far over the limit

at the limit2×5×10×100×+Nitrate2017-04-01 · Nitrate: measured 13.00 MG/L vs limit 10.00 MG/L (1.3×)
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. 2018-06-01Revised Total Coliform RuleMONBack in compliance
  2. 2018-05-01Revised Total Coliform RuleMONBack in compliance
  3. 2018-04-01Revised Total Coliform RuleMONBack in compliance
  4. 2018-04-01NitrateMonitoring, RegularBack in compliance
  5. 2018-01-01Revised Total Coliform RuleMONBack in compliance
  6. 2018-01-01NitrateMonitoring, RegularBack in compliance
  7. 2017-12-01Revised Total Coliform RuleMONBack in compliance
  8. 2017-11-01Revised Total Coliform RuleMONBack in compliance
  9. 2017-10-01Revised Total Coliform RuleMONBack in compliance
  10. 2017-04-01NitrateMCL, Averagemeasured 13.00 MG/L · limit 10.00 MG/LBack in compliance
  11. 2017-03-01Revised Total Coliform RuleMONBack in compliance
  12. 2017-02-01Revised Total Coliform RuleMONBack in compliance
  13. 2017-01-01Revised Total Coliform RuleMONBack in compliance
  14. 2016-12-01Revised Total Coliform RuleMONBack in compliance
  15. 2016-11-01Revised Total Coliform RuleMONBack in compliance
  16. 2016-10-01Revised Total Coliform RuleMONBack in compliance
  17. 2016-09-01Revised Total Coliform RuleMONBack in compliance
  18. 2016-08-01Revised Total Coliform RuleMONBack in compliance
  19. 2016-07-01Revised Total Coliform RuleMONBack in compliance
  20. 2016-06-01Revised Total Coliform RuleMONBack in compliance
  21. 2016-05-01Revised Total Coliform RuleMONBack in compliance
  22. 2016-04-01Revised Total Coliform RuleMONBack in compliance
  23. 2016-04-01NitrateMonitoring, RegularBack in compliance
  24. 2016-03-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
  25. 2016-02-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
Show the other 7 entries
  1. 2016-01-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
  2. 2016-01-01NitrateMonitoring, RegularBack in compliance
  3. 2015-12-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
  4. 2015-01-01NitrateMonitoring, RegularBack in compliance
  5. 2013-01-01NitriteMonitoring, RegularBack in compliance
  6. 2009-07-01Coliform (TCR)MCL, Monthly (TCR)Back in compliance
  7. 2008-08-01Coliform (TCR)MCL, Monthly (TCR)Back in compliance

System details

Population served100
Service connections1
Water sourceGroundwater
System typeTransient Non-Community
OwnerPrivate
StatusActive
CityTracy
EPA ZIP on file95376

Areas served

  • Yolo County

Reading this record

Excel Gas and Market is a transient non-community that draws from groundwater and serves about 100 people in Tracy, California. 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.