Pioneer Elementary School (CA) Water Quality

Pioneer Elementary School is a small public water system in EPA region 9 that provides tap water for the zip codes. It has 2 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.

The maximum reported level of Manganese was 4.43 µg/L. There were 1 contamintants found in the Pioneer Elementary School water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

1,1-dichloroethane (2)

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (2)

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (2)

EP from Well #4

Well #4 ℹ️

<0.1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.1 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (2)

EP from Well #4

Well #4 ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.07 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (2)

EP from Well #4

Well #4 ℹ️

<0.06 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.06 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (2)

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorate (4)

EP from Well #4

Well #4 ℹ️

1380 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 1360 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

1300 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 1280 µg/L

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<20 µg/L

Below Reporting Level

6/12/2013

12 years ago

Pre-School Office

Distribution System ℹ️

<20 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (2)

EP from Well #4

Well #4 ℹ️

<0.08 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.08 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (2)

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium (4)

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2013

12 years ago

Pre-School Office

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (4)

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2013

12 years ago

Pre-School Office

Distribution System ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (4)

EP from Well #4

Well #4 ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<1 µg/L

Below Reporting Level

6/12/2013

12 years ago

Pre-School Office

Distribution System ℹ️

<1 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

Germanium (4)

EP from Well #4

Well #4 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 12 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 10 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 10 µg/L

6/12/2013

12 years ago

EP from Well #4

Well #4 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 9 µg/L

6/12/2013

12 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

Manganese (4)

EP from Well #4

Well #4 ℹ️

4.43 µg/L

Meets Reporting Threshold

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

4.1 µg/L

Meets Reporting Threshold

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

1.4 µg/L

Meets Reporting Threshold

6/12/2013

12 years ago

Pre-School Office

Distribution System ℹ️

1.4 µg/L

Meets Reporting Threshold

6/12/2013

12 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: 300 µg/L

Contaminant Details

molybdenum (4)

EP from Well #4

Well #4 ℹ️

8.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.8 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

7.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.9 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

8.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.5 µg/L

6/12/2013

12 years ago

EP from Well #4

Well #4 ℹ️

8.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.3 µg/L

6/12/2013

12 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (2)

EP from Well #4

Well #4 ℹ️

<0.09 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.09 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (2)

EP from Well #4

Well #4 ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.01 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (2)

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.03 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (2)

EP from Well #4

Well #4 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (2)

EP from Well #4

Well #4 ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.04 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (2)

EP from Well #4

Well #4 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP from Well #4

Well #4 ℹ️

<0.02 µg/L

Below Reporting Level

6/12/2013

12 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

strontium (4)

EP from Well #4

Well #4 ℹ️

46 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 45.7 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

41 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 40.7 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

43 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 42.7 µg/L

6/12/2013

12 years ago

EP from Well #4

Well #4 ℹ️

41 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 40.7 µg/L

6/12/2013

12 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

vanadium (4)

EP from Well #4

Well #4 ℹ️

0.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

12/4/2013

11 years ago

Pre-School Office

Distribution System ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.19 µg/L

6/12/2013

12 years ago

EP from Well #4

Well #4 ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

6/12/2013

12 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Well #4
Ground Water (GW)

EP from Well #4Entry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

Pre-School OfficeMaximum Residence Time (MR)

FAQ

Is Pioneer Elementary School tap water safe to drink?

When was Pioneer Elementary School last tested for water contamination?

The latest water samples were taken on December 4th, 2013.