Table 1 to Paragraph (e)-Unregulated Contaminant Monitoring Reporting Requirements
Data element | Definition |
1. Public Water System Identification (PWSID) Code | The code used to identify each PWS. The code begins with the standard 2-character postal State abbreviation or Region code; the remaining 7 numbers are unique to each PWS in the State. The same identification code must be used to represent the PWS identification for all current and future UCMR monitoring. |
2. Public Water System Name | Unique name, assigned once by the PWS. |
3. Public Water System Facility Identification Code | An identification code established by the State or, at the State's discretion, by the PWS, following the format of a 5-digit number unique within each PWS for each applicable facility (i.e., for each source of water, treatment plant, distribution system, or any other facility associated with water treatment or delivery). The same identification code must be used to represent the facility for all current and future UCMR monitoring. |
4. Public Water System Facility Name | Unique name, assigned once by the PWS, for every facility ID (e.g., Treatment Plant). |
5. Public Water System Facility Type | That code that identifies that type of facility as either: CC = Consecutive connection. SS = Sampling station. TP = Treatment plant. OT = Other. |
6. Water Source Type | The type of source water that supplies a water system facility. Systems must report one of the following codes for each sampling location: |
SW = Surface water (to be reported for water facilities that are served entirely by a surface water source during the 12-month period). | |
GU = Ground water under the direct influence of surface water (to be reported for water facilities that are served all or in part by ground water under the direct influence of surface water at any time during the 12-month sampling period), and are not served at all by surface water during this period. | |
MX = Mixed water (to be reported for water facilities that are served by a mix of surface water, ground water, and/or ground water under the direct influence of surface water during the 12-month period). | |
GW = Ground water (to be reported for water facilities that are served entirely by a ground water source during the 12-month period). | |
7. Sampling Point Identification Code | An identification code established by the State, or at the State's discretion, by the PWS, that uniquely identifies each sampling point. Each sampling code must be unique within each applicable facility, for each applicable sampling location (i.e., entry point to the distribution system). The same identification code must be used to represent the sampling location for all current and future UCMR monitoring. |
8. Sampling Point Name | Unique sample point name, assigned once by the PWS, for every sample point ID (e.g., Entry Point). |
9. Sampling Point Type Code | A code that identifies the location of the sampling point as: EP = Entry point to the distribution system. |
10. Disinfectant Type | All of the disinfectants/oxidants that have been added prior to and at the entry point to the distribution system. Please select all that apply: |
PEMB = Permanganate. | |
HPXB = Hydrogen peroxide. | |
CLGA = Gaseous chlorine. | |
CLOF = Offsite generated hypochlorite (stored as a liquid form). | |
CLON = Onsite generated hypochlorite. | |
CAGC = Chloramine (formed with gaseous chlorine). | |
CAOF = Chloramine (formed with offsite hypochlorite). | |
CAON = Chloramine (formed with onsite hypochlorite). | |
CLDB = Chlorine dioxide. | |
OZON = Ozone. | |
ULVL = Ultraviolet light. | |
OTHD = All other types of disinfectant/oxidant. | |
NODU = No disinfectant/oxidant used. | |
11. Treatment Information | Treatment information associated with the sample point. Please select all that apply. |
CON = Conventional (non-softening, consisting of at least coagulation/sedimentation basins and filtration). | |
SFN = Softening. | |
RBF = River bank filtration. | |
PSD = Pre-sedimentation. | |
INF = In-line filtration. | |
DFL = Direct filtration. | |
SSF = Slow sand filtration. | |
BIO = Biological filtration (operated with an intention of maintaining biological activity within filter). | |
UTR = Unfiltered treatment for surface water source. | |
GWD = Groundwater system with disinfection only. | |
PAC = Application of powder activated carbon. | |
GAC = Granular activated carbon adsorption (not part of filters in CON, SFN, INF, DFL, or SSF). | |
AIR = Air stripping (packed towers, diffused gas contactors). | |
POB = Pre-oxidation with chlorine (applied before coagulation for CON or SFN plants or before filtration for other filtration plants). | |
MFL = Membrane filtration. | |
IEX = Ionic exchange. | |
DAF = Dissolved air floatation. | |
CWL = Clear well/finished water storage without aeration. | |
CWA = Clear well/finished water storage with aeration. | |
ADS = Aeration in distribution system (localized treatment). | |
OTH = All other types of treatment. | |
NTU = No treatment used. | |
DKN = Do not know. | |
12. Sample Collection Date | The date the sample is collected, reported as 4-digit year, 2-digit month, and 2-digit day (YYYYMMDD). |
13. Sample Identification Code | An alphanumeric value up to 30 characters assigned by the laboratory to uniquely identify containers, or groups of containers, containing water samples collected at the same sampling location for the same sampling date. |
14. Contaminant | The unregulated contaminant for which the sample is being analyzed. |
15. Analytical Method Code | The identification code of the analytical method used. |
16. Extraction Batch Identification Code | Laboratory assigned extraction batch ID. Must be unique for each extraction batch within the laboratory for each method. For CCC samples report the Analysis Batch Identification Code as the value for this field. For methods without an extraction batch, leave this field null. |
17. Extraction Date | Date for the start of the extraction batch (YYYYMMDD). For methods without an extraction batch, leave this field null. |
18. Analysis Batch Identification Code | Laboratory assigned analysis batch ID. Must be unique for each analysis batch within the laboratory for each method. |
19. Analysis Date | Date for the start of the analysis batch (YYYYMMDD). |
20. Sample Analysis Type | The type of sample collected and/or prepared, as well as the fortification level. Permitted values include: CCCL = MRL level continuing calibration check; a calibration standard containing the contaminant, the internal standard, and surrogate analyzed to verify the existing calibration for those contaminants. |
CCCM = Medium level continuing calibration check; a calibration standard containing the contaminant, the internal standard, and surrogate analyzed to verify the existing calibration for those contaminants. | |
CCCH = High level continuing calibration check; a calibration standard containing the contaminant, the internal standard, and surrogate analyzed to verify the existing calibration for those contaminants. | |
FS = Field sample; sample collected and submitted for analysis under this final rule. | |
LFB = Laboratory fortified blank; an aliquot of reagent water fortified with known quantities of the contaminants and all preservation compounds. | |
LRB = Laboratory reagent blank; an aliquot of reagent water treated exactly as a field sample, including the addition of preservatives, internal standards, and surrogates to determine if interferences are present in the laboratory, reagents, or other equipment. | |
LFSM = Laboratory fortified sample matrix; a UCMR field sample with a known amount of the contaminant of interest and all preservation compounds added. | |
LFSMD = Laboratory fortified sample matrix duplicate; duplicate of the laboratory fortified sample matrix. | |
QCS = Quality control sample; a sample prepared with a source external to the one used for initial calibration and CCC. The QCS is used to check calibration standard integrity. | |
FRB = Field reagent blank; an aliquot of reagent water treated as a sample including exposure to sampling conditions to determine if interferences or contamination are present from sample collection through analysis. | |
21. Analytical Result-Sign | A value indicating whether the sample analysis result was: ([LESS THAN]) "less than" means the contaminant was not detected, or was detected at a level below the Minimum Reporting Level. (=) "equal to" means the contaminant was detected at the level reported in "Analytical Result- Measured Value." |
22. Analytical Result-Measured Value | The actual numeric value of the analytical results for: Field samples; laboratory fortified matrix samples; laboratory fortified sample matrix duplicates; and concentration fortified. |
23. Additional Value | Represents the true value or the fortified concentration for spiked samples for QC Sample Analysis Types (CCCL, CCCM, CCCH, QCS, LFB, LFSM, and LFSMD). |
24. Laboratory Identification Code | The code, assigned by EPA, used to identify each laboratory. The code begins with the standard two-character State postal abbreviation; the remaining five numbers are unique to each laboratory in the State. |
25. Sample Event Code | A code assigned by the PWS for each sample event. This will associate samples with the PWS monitoring plan to allow EPA to track compliance and completeness. Systems must assign the following codes: |
SE1, SE2, SE3, and SE4-Represent samples collected to meet UCMR Assessment Monitoring requirements; where "SE1" and "SE2" represent the first and second sampling period for all water types; and "SE3" and "SE4" represent the third and fourth sampling period for SW, GU, and MX sources only. | |
26. Historical Information for Contaminant Detections and Treatment | A yes or no answer provided by the PWS for each entry point to the distribution system. Question: Have you tested for the contaminant in your drinking water in the past? YES = If yes, did you modify your treatment and if so, what types of treatment did you implement? Select all that apply. |
PAC = Application of powder activated carbon. | |
GAC = Granular activated carbon adsorption (not part of filters in CON, SFN, INF, DFL, or SSF). | |
IEX = Ionic exchange. | |
NRO = Nanofiltration and reverse osmosis. | |
OZN = Ozone. | |
BAC = Biologically active carbon. | |
MFL = Membrane filtration. | |
UVL = Ultraviolet light. | |
OTH = Other. | |
NMT = Not modified after testing. | |
NO = Have never tested for the contaminant. | |
DK = Do not know. | |
27. Potential PFAS Sources | A yes or no answer provided by the PWS for each entry point to the distribution system. Question: Are you aware of any potential current and/or historical sources of PFAS that may have impacted the drinking water sources at your water system? |
YES = If yes, select all that apply: | |
MB = Military base. | |
FT = Firefighting training school. | |
AO = Airport operations. | |
CW = Car wash or industrial launderers. | |
PS = Public safety activities (e.g., fire and rescue services). | |
WM = Waste management. | |
HW = Hazardous waste collection, treatment, and disposal. | |
UW = Underground injection well. | |
SC = Solid waste collection, combustors, incinerators. | |
MF = Manufacturing. | |
FP = Food packaging. | |
TA = Textile and apparel (e.g., stain- and water-resistant, fiber/thread, carpet, house furnishings, leather). | |
PP = Paper. | |
CC = Chemical. | |
PR = Plastics and rubber products. | |
MM = Machinery. | |
CE = Computer and electronic products. | |
FM = Fabricated metal products (e.g., nonstick cookware). | |
PC = Petroleum and coal products. | |
FF = Furniture. | |
OG = Oil and gas production. | |
UT = Utilities (e.g., sewage treatment facilities). | |
CT = Construction (e.g., wood floor finishing, electrostatic painting). | |
OT = Other. | |
NO = Not aware of any potential current and/or historical sources. | |
DK = Do not know. |
40 C.F.R. §141.35