← Natural Resources Defense Council (NRDC)

EPARulemakingEPA-HQ-OW-2001-0001

National Primary Drinking Water Regulations; Arsenic and Clarifications to Compliance and New Source Contaminants Monitoring

RIN

—

Last modified

Dec 19, 2025

Comment window

closed 9036d ago

Natural Resources Defense Council (NRDC) filings

6

Activity

Natural Resources Defense Council (NRDC) filed 6 comments on this docket between Mar 5, 2025 and Apr 14, 2025. 284 other organizations filed here. The comment window closed 9036d ago.

What Natural Resources Defense Council (NRDC) filed (6)

Apr 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-VI-G1-3961]· EPA-HQ-OW-2001-0001-7619

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Mar 24, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-I-G1-873]· EPA-HQ-OW-2001-0001-5473

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Mar 5, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-II-D1-19]· EPA-HQ-OW-2001-0001-4558

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Mar 5, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-IV-B2.3]· EPA-HQ-OW-2001-0001-4519

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Mar 5, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-IV-B2.2]· EPA-HQ-OW-2001-0001-4533

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Mar 5, 2025· Comment submitted by Natural Resources Defense Council (NRDC) [W-99-16-VI-G1-3961]· EPA-HQ-OW-2001-0001-4688

Filed on regulations.gov — full text not in the inline record.

View on regulations.gov →

Abstract

Contact: Irene Dooley, USEPA/OW/OGWDW, Mail Code 4607M, (202) 564-4699, HQ

View on regulations.gov →

Co-filers (284)

See everyone who commented →

Natural Resources Defense Council (NRDC)THIS ORG
6 filings · confidence 97%
American Water Works Associationtrade assoc.
7 filings · confidence 97%
National Mining Associationtrade assoc.
6 filings · confidence 97%
American Water Works Association (AWWA) [W-99-16-VI-G1-3137]trade assoc.
2 filings · confidence 85%
American Water Works Service Company [W-99-16-VI-G1-3120]unverified attribution
2 filings · confidence 70%
Association of Metropolitan Water Agenciestrade assoc.
2 filings · confidence 97%
Association of State Drinking Water Administrators (ASDWA) [W-99-16-VI-G1-3377]trade assoc.
2 filings · confidence 85%
Barrick Management Corporation [W-99-16-VI-G1-3143]unverified attribution
2 filings · confidence 70%
Barrick Management Corporation [W-99-16-VI-G1-3187]unverified attribution
2 filings · confidence 70%
Beaches Water Company [W-99-16-VI-G1-3404]unverified attribution
2 filings · confidence 70%
Inc. [W-99-16-IV-B1-366]unverified attribution
2 filings · confidence 70%
Inc. [W-99-16-IV-B1-424]unverified attribution
2 filings · confidence 70%
J.R. Simplot Company [W-99-16-VI-G1-3144]unverified attribution
2 filings · confidence 70%
Mono Lake Committee [W-99-16-VI-G1-2880]trade assoc.
2 filings · confidence 85%
National Lime Associationtrade assoc.
2 filings · confidence 97%
Nevada Mining Association [W-99-16-VI-G1-3153]trade assoc.
2 filings · confidence 85%
U.S. Chamber of Commerce
2 filings · confidence 97%
Water Quality Association [W-99-16-VI-G1-4004]trade assoc.
2 filings · confidence 85%
Alyeska Pipeline Service Company (APSC) [W-99-16-I-G1-537]unverified attribution
1 filing · confidence 70%
American Council on Science and Health (ACSH) [W-99-16-VI-G1-3651]trade assoc.
1 filing · confidence 85%
American Council on Science and Health [W-99-16-VI-G1-3113]trade assoc.
1 filing · confidence 85%
American Council on Science and Health [W-99-16-VI-G1-3651]trade assoc.
1 filing · confidence 85%
American Forest & Paper Associationtrade assoc.
1 filing · confidence 97%
American Forest & Paper Association (AF&PA) [W-99-16-I-G1-630]trade assoc.
1 filing · confidence 85%
American Water Works Association (AWWA) [W-99-16-I-G1-466]trade assoc.
1 filing · confidence 85%
American Water Works Association (AWWA) [W-99-16-II-D1-21]trade assoc.
1 filing · confidence 85%
American Water Works Association (AWWA) [W-99-16-IV-B1-201]trade assoc.
1 filing · confidence 85%
American Water Works Service Company [W-99-16-I-G1-577]unverified attribution
1 filing · confidence 70%
American Water Works Service Company [W-99-16-IV-B1-927]unverified attribution
1 filing · confidence 70%
American Wood Preservers Institute (AWPI) [W-99-16-I-G1-471]trade assoc.
1 filing · confidence 85%
American Wood Preservers Institute (AWPI) [W-99-16-II-D1-3]trade assoc.
1 filing · confidence 85%
American Wood Preservers Institute (AWPI) [W-99-16-IV-B1-251]trade assoc.
1 filing · confidence 85%
American Wood Preservers Institute (AWPI) [W-99-16-VI-G1-3118]trade assoc.
1 filing · confidence 85%
American Wood Preservers Institute [W-99-16-I-D-12]trade assoc.
1 filing · confidence 85%
American Wood Preservers Institute [W-99-16-VI-G1-3118]trade assoc.
1 filing · confidence 85%
AngloGold (Jerritt Canyon) Corp. (AGJC) [W-99-16-I-G1-647]unverified attribution
1 filing · confidence 70%
Apache Junction Water Company [W-99-16-I-G1-389]unverified attribution
1 filing · confidence 70%
Arenas Valley Water Development Association [W-99-16-I-G1-528]trade assoc.
1 filing · confidence 85%
Arizona Chamber of Commerce [W-99-16-I-G1-757]trade assoc.
1 filing · confidence 85%
Arizona Consumers Council [W-99-16-I-G1-157]trade assoc.
1 filing · confidence 85%
Arizona Mining Association (AMA) [W-99-16-I-G1-680]trade assoc.
1 filing · confidence 85%
Arizona Municipal Water Users Association (AMWUA) [W-99-16-I-G1-403]trade assoc.
1 filing · confidence 85%
Arizona Small Utilities Association [W-99-16-IV-B1-1031]trade assoc.
1 filing · confidence 85%
Arizona Small Utilities Association [W-99-16-IV-B1-1038]trade assoc.
1 filing · confidence 85%
Arizona Water Company [W-99-16-I-D-27]unverified attribution
1 filing · confidence 70%
Arizona Water Company [W-99-16-I-G1-440]unverified attribution
1 filing · confidence 70%
Arizona Water Company [W-99-16-IV-B1-1018]unverified attribution
1 filing · confidence 70%
Arizona Water Company [W-99-16-IV-B1-1037]unverified attribution
1 filing · confidence 70%
ASARCO Incorporated (Asarco) [W-99-16-VI-G1-3138]unverified attribution
1 filing · confidence 70%
ASARCO Incorporated [W-99-16-IV-B1-191]unverified attribution
1 filing · confidence 70%
ASARCO Incorporated [W-99-16-VI-G1-3138]unverified attribution
1 filing · confidence 70%
Association of California Water Agencies (ACWA) [W-99-16-I-G1-856]trade assoc.
1 filing · confidence 85%
Association of California Water Agencies (ACWA) [W-99-16-I-G2-93]trade assoc.
1 filing · confidence 85%
Association of California Water Agencies (ACWA) [W-99-16-II-D1-12]trade assoc.
1 filing · confidence 85%
Association of California Water Agencies (ACWA) [W-99-16-VI-G1-3136]trade assoc.
1 filing · confidence 85%
Association of California Water Agencies (ACWA) [W-99-16-VI-G1-3219]trade assoc.
1 filing · confidence 85%
Association of California Water Agencies [W-99-16-VI-G1-3136]trade assoc.
1 filing · confidence 85%
Association of Ground Water Agencies (AGWA) [W-99-16-I-G1-703]trade assoc.
1 filing · confidence 85%
Association of Metropolitan Water (AMWA) [W-99-16-II-D1-26]trade assoc.
1 filing · confidence 85%
Association of Metropolitan Water Agencies (AMWA) [W-99-16-IV-B1-744]trade assoc.
1 filing · confidence 85%
Association of Metropolitan Water Agencies (AWWA) [W-99-16-I-G1-553]trade assoc.
1 filing · confidence 85%
Association of State Drinking Water Administrators (ASDWA) [W-99-16-I-G1-697]trade assoc.
1 filing · confidence 85%
Association of State Drinking Water Administrators (ASDWA) [W-99-16-IV-B1-689]trade assoc.
1 filing · confidence 85%
AVRA Water Co-op Inc. [W-99-16-IV-B1-129]unverified attribution
1 filing · confidence 70%
Barrick Management Corporation [W-99-16-I-G1-621]unverified attribution
1 filing · confidence 70%
Baton Rouge Water Works Company [W-99-16-I-G1-552]unverified attribution
1 filing · confidence 70%
Battery Council International (BCI) [W-99-16-I-G1-475]trade assoc.
1 filing · confidence 85%
Bella Vista Water Company [W-99-16-I-G1-1]unverified attribution
1 filing · confidence 70%
Belle Fourche Pipeline Company [W-99-16-I-G1-76]unverified attribution
1 filing · confidence 70%
BHC Company [W-99-16-I-G1-860]unverified attribution
1 filing · confidence 70%
Big Park Water Company [W-99-16-I-G1-292]unverified attribution
1 filing · confidence 70%
Bluewater Lake Mutual Domestic Water Consumers Association [W-99-16-I-G1-513]trade assoc.
1 filing · confidence 85%
Bonita Creek Water Company [W-99-16-I-G1-382]unverified attribution
1 filing · confidence 70%
Boulder Farmstead Water Company [W-99-16-I-G2-14]unverified attribution
1 filing · confidence 70%
Brazos Mutual Domestic Water Consumers Association Inc. [W-99-16-I-G2-63]trade assoc.
1 filing · confidence 85%
Brigham City Corporation [W-99-16-I-G1-631]unverified attribution
1 filing · confidence 70%
Butterfield Park Mutual Domestic Water Association (BPMDWA) [W-99-16-I-G1-263]trade assoc.
1 filing · confidence 85%
California Water Service Company [W-99-16-I-G1-665]unverified attribution
1 filing · confidence 70%
Camano Water Systems Association [W-99-16-I-D-20]trade assoc.
1 filing · confidence 85%
Cambridge City Counciltrade assoc.
1 filing · confidence 85%
Camp Verde Water System Inc. [W-99-16-I-D-21]unverified attribution
1 filing · confidence 70%
Canon Mutual Domestic Water Association [W-99-16-I-G2-19]trade assoc.
1 filing · confidence 85%
Carefree Water Company [W-99-16-I-G1-112]unverified attribution
1 filing · confidence 70%
Chardon Village Counciltrade assoc.
1 filing · confidence 85%
Chesapeake Water Company [W-99-16-I-G1-47]unverified attribution
1 filing · confidence 70%
Citizens Water Resources Company [W-99-16-I-G2-74]unverified attribution
1 filing · confidence 70%
City Council of Farnumtrade assoc.
1 filing · confidence 85%
City of Alliancetrade assoc.
1 filing · confidence 85%
Committee on Appropriationstrade assoc.
1 filing · confidence 85%
Committee on Appropriations [W-99-16-I-D-41]trade assoc.
1 filing · confidence 85%
Community Water Company of Green Valley (CWC) [W-99-16-I-G1-638]unverified attribution
1 filing · confidence 70%
Competitive Enterprise Institute (CEI)[W-99-16-IV-B1-1074]trade assoc.
1 filing · confidence 85%
Country Estates Lot Owners Association (CELOA) [W-99-16-I-G1-386]trade assoc.
1 filing · confidence 85%
Cox Partnership [W-99-16-I-G1-170]trade assoc.
1 filing · confidence 85%
Cox Partnership [W-99-16-I-G1-179]trade assoc.
1 filing · confidence 85%
D&M Water Association [W-99-16-I-G1-145]trade assoc.
1 filing · confidence 85%
Daniel Domestic Water Company [W-99-16-I-G1-539]unverified attribution
1 filing · confidence 70%
Department of Chemical Engineering [W-99-16-IV-B1-402]unverified attribution
1 filing · confidence 70%
Department of Chemistry [W-99-16-IV-B1-399]unverified attribution
1 filing · confidence 70%
Department of Civil Engineering [W-99-16-I-G1-635]unverified attribution
1 filing · confidence 70%
Desert Sands Mutual Domestic Water Consumers Association [W-99-16-I-G1-364]trade assoc.
1 filing · confidence 85%
DoD SDWA Services Steering Committee [W-99-16-I-G1-605]trade assoc.
1 filing · confidence 85%
Drinking Water Committee [W-99-16-I-G1-890]trade assoc.
1 filing · confidence 85%
e Association of California Water Agencies (ACWA) [W-99-16-VI-G1-3219]trade assoc.
1 filing · confidence 85%
Eagle West Subdivision Water Association [W-99-16-I-G1-804]trade assoc.
1 filing · confidence 85%
East Pasadena Water Company [W-99-16-I-G1-486]unverified attribution
1 filing · confidence 70%
El Llano Mutual Domestic Water Community Association (MDWCA) [W-99-16-I-G1-795]trade assoc.
1 filing · confidence 85%
El Paso Solar Energy Association [W-99-16-IV-B1-837]trade assoc.
1 filing · confidence 85%
El Rancho Heights Home Owners Association [W-99-16-I-G2-4]trade assoc.
1 filing · confidence 85%
Electric Power Resources Inc. (EPRI) [W-99-16-II-D1-1]unverified attribution
1 filing · confidence 70%
Environmental Arsenic Council (EARC) [W-99-16-I-G1-863]trade assoc.
1 filing · confidence 85%
Environmental Arsenic Council (EARC) [W-99-16-II-D1-18]trade assoc.
1 filing · confidence 85%
Environmental Arsenic Council (EARC) [W-99-16-II-D2-2]trade assoc.
1 filing · confidence 85%
Environmental Arsenic Council [W-99-16-IV-B1-1026]trade assoc.
1 filing · confidence 85%
Environmental Arsenic Council [W-99-16-VI-G1-3984]trade assoc.
1 filing · confidence 85%
EPA’s Local Government Advisory Committee (LGAC) [W-99-16-I-G1-357]trade assoc.
1 filing · confidence 85%
Evans Water Corporation and Homeowners Association [W-99-16-I-G1-606]trade assoc.
1 filing · confidence 85%
Fairbanks North Star Borough School District [W-99-16-I-G1-363]unverified attribution
1 filing · confidence 70%
Florida Manufactured Housing Association (FMHA) [W-99-16-I-G1-343]trade assoc.
1 filing · confidence 85%
FMC Corporation [W-99-16-I-G1-533]unverified attribution
1 filing · confidence 70%
Fort Davis Water Supply Corporation [W-99-16-I-G1-567]unverified attribution
1 filing · confidence 70%
Gateway Cities Council of Governments (COG) [W-99-16-I-G1-472]trade assoc.
1 filing · confidence 85%
Gateway Cities Council of Governments [W-99-16-I-G2-17]trade assoc.
1 filing · confidence 85%
Georgetown University Law Center [W-99-16-VI-G1-3127]unverified attribution
1 filing · confidence 70%
Hall Steel Company [W-99-16-VI-G1-3775]unverified attribution
1 filing · confidence 70%
Hope Water Cooperative Corporation [W-99-16-I-G1-507]unverified attribution
1 filing · confidence 70%
Howell Town Corporation [W-99-16-I-G1-800]unverified attribution
1 filing · confidence 70%
Idaho Drinking Water Advisory Committee [W-99-16-VI-G1-3717]trade assoc.
1 filing · confidence 85%
Idaho Rural Water Association (IRWA) [W-99-16-I-G1-794]trade assoc.
1 filing · confidence 85%
Idaho Rural Water Association [W-99-16-IV-B1-681]trade assoc.
1 filing · confidence 85%
IMC Chemicals Inc. [W-99-16-I-G1-334]unverified attribution
1 filing · confidence 70%
IMC Chemicals Inc. [W-99-16-I-G1-825]unverified attribution
1 filing · confidence 70%
Inc. (ASWU) [W-99-16-I-G2-47]unverified attribution
1 filing · confidence 70%
Inc. (AWWSC) [W-99-16-I-G1-463]unverified attribution
1 filing · confidence 70%
Inc. (CEOH) [W-99-16-VI-G1-3216]unverified attribution
1 filing · confidence 70%
Inc. (CMI) [W-99-16-I-G1-791]unverified attribution
1 filing · confidence 70%
Inc. (EES) [W-99-16-I-G1-394]unverified attribution
1 filing · confidence 70%
Inc. (NMUI) [W-99-16-I-G1-338]unverified attribution
1 filing · confidence 70%
Inc. (NMUI) [W-99-16-VI-G1-3134]unverified attribution
1 filing · confidence 70%
Inc. (USWUA) [W-99-16-I-G2-46]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-129]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-231]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-265]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-298]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-305]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-326]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-422]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-449]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-452]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-455]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-457]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-464]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-50]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-643]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-659]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-728]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-75]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-781]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-803]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-807]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G1-92]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G2-6]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-I-G2-77]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-IV-B1-195]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-IV-B1-990]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-VI-G1-3120]unverified attribution
1 filing · confidence 70%
Inc. [W-99-16-VI-G1-3216]unverified attribution
1 filing · confidence 70%
Inc. & A J.D. Edwards Channel Partner [W-99-16-I-G1-204]unverified attribution
1 filing · confidence 70%
Incorporated County of Los Alamosunverified attribution
1 filing · confidence 70%
Indiana University East [W-99-16-IV-B1-621]unverified attribution
1 filing · confidence 70%
Inner Mongolia Cooperative Arsenic Project (IMCAP)[W-99-16-VI-G1-3491]unverified attribution
1 filing · confidence 70%
Intermountain Power Service Corporation (IPSC) [W-99-16-I-G1-383]unverified attribution
1 filing · confidence 70%
K-B Water Association [W-99-16-I-G1-461]trade assoc.
1 filing · confidence 85%
Kennecott Energy Company [W-99-16-I-G1-607]unverified attribution
1 filing · confidence 70%
Kern Water Bank Authority [W-99-16-I-G1-213]unverified attribution
1 filing · confidence 70%
King Hill Domestic Water & Sewer Users Association [W-99-16-I-G1-615]trade assoc.
1 filing · confidence 85%
Lakeridge Water Association [W-99-16-I-G1-336]trade assoc.
1 filing · confidence 85%
Las Quintas Serenas Water Company [W-99-16-IV-B1-230]unverified attribution
1 filing · confidence 70%
Lincoln-Lancaster County Health Departmentunverified attribution
1 filing · confidence 70%
Lindenwood Water Association [W-99-16-I-G1-602]trade assoc.
1 filing · confidence 85%
Litchfield Park Service Company (LPSCO) [W-99-16-I-G1-568]unverified attribution
1 filing · confidence 70%
Lyman Water Systems [W-99-16-IV-B1-3]unverified attribution
1 filing · confidence 70%
m Minnesota's Clean Water Action Alliance and the Minnesota Environmental Action Network [W-99-16-VI-G1-3427]trade assoc.
1 filing · confidence 85%
Magna Water Company (MWC) [W-99-16-I-G1-666]unverified attribution
1 filing · confidence 70%
Maine Water Utilities Association [W-99-16-I-G1-508]trade assoc.
1 filing · confidence 85%
Manufactured Housing Institute (MHI) [W-99-16-I-G1-148]trade assoc.
1 filing · confidence 85%
Manufactured Housing Institute (MHI) [W-99-16-VI-G1-3121]trade assoc.
1 filing · confidence 85%
Manufactured Housing Institute [W-99-16-VI-G1-3121]trade assoc.
1 filing · confidence 85%
Mass Comment Campaign sponsored by City of Almena Council and Citizens [W-99-16-I-G2-18]trade assoc.
1 filing · confidence 85%
Mass Comment Campaign sponsored by Florida Rural Water Association [W-99-16-I-G2-88]trade assoc.
1 filing · confidence 85%
McFarland Mutual Water Company (MMWC) [W-99-16-I-G1-444]unverified attribution
1 filing · confidence 70%
Mercatus Center at George Mason University [W-99-16-I-G1-652]unverified attribution
1 filing · confidence 70%
Michigan Manufactured Housing Association (MMHA) [W-99-16-I-G2-10]trade assoc.
1 filing · confidence 85%
Michigan Section American Water Works Association [W-99-16-I-G1-87]trade assoc.
1 filing · confidence 85%
MidAmerican Energy Company [W-99-16-I-G1-556]unverified attribution
1 filing · confidence 70%
Mining and Metallurgical Society of America (MMSA) [W-99-16-VI-G1-4009]trade assoc.
1 filing · confidence 85%
Mining and Metallurgical Society of America [W-99-16-VI-G1-4009]trade assoc.
1 filing · confidence 85%
Mining and Metallurgical Society of America [W-99-16-VI-G2-2]trade assoc.
1 filing · confidence 85%
Montezuma Heights Water and Airport Company [W-99-16-I-G1-201]unverified attribution
1 filing · confidence 70%
National Association of Realtors (NAR) [W-99-16-I-G2-31]trade assoc.
1 filing · confidence 85%
National Association of Water Companies (NAWC)[W-99-16-I-G1-476]trade assoc.
1 filing · confidence 85%
National Ground Water Association (NGWA) [W-99-16-IV-B1-834]trade assoc.
1 filing · confidence 85%
National Ground Water Association (NGWA) [W-99-16-IV-B2.9]trade assoc.
1 filing · confidence 85%
National Ground Water Association (NGWA) [W-99-16-VI-G1-3150]trade assoc.
1 filing · confidence 85%
National Ground Water Association [W-99-16-VI-G1-3150]trade assoc.
1 filing · confidence 85%
National Rural Water Association (NRWA) [W-99-16-VI-G1-3575]trade assoc.
1 filing · confidence 85%
National Rural Water Association (NRWA) et al. [W-99-16-VI-G1-3575]trade assoc.
1 filing · confidence 85%
National Rural Water Association [W-99-16-I-D-19]trade assoc.
1 filing · confidence 85%
National Rural Water Association [W-99-16-I-G1-150]trade assoc.
1 filing · confidence 85%
Nebraska Rural Water Association [W-99-16-I-G1-200]trade assoc.
1 filing · confidence 85%
Nebraska Section American Water Works Association (AWWA)[W-99-16-I-G1-306]trade assoc.
1 filing · confidence 85%
Nevada Mining Association (NvMA) [W-99-16-I-G1-718]trade assoc.
1 filing · confidence 85%
New Mexico Municipal League [W-99-16-I-G1-362]trade assoc.
1 filing · confidence 85%
New Mexico Rural Water Association (NMRWA)[W-99-16-I-G1-235]trade assoc.
1 filing · confidence 85%
New York University School of Medicine et al. [W-99-16-VI-G1-3050]unverified attribution
1 filing · confidence 70%
North Dakota Rural Water Systems Association[W-99-16-I-G1-374]trade assoc.
1 filing · confidence 85%
North Prairie Rural Water Association [W-99-16-I-G1-671]trade assoc.
1 filing · confidence 85%
Northwest Mining Association (NWMA) [W-99-16-I-G1-543]trade assoc.
1 filing · confidence 85%
Northwest Mining Association (NWMA) [W-99-16-IV-B1-192]trade assoc.
1 filing · confidence 85%
Northwest Mining Association (NWMA) [W-99-16-VI-G1-4010]trade assoc.
1 filing · confidence 85%
Northwest Mining Association [W-99-16-VI-G1-4010]trade assoc.
1 filing · confidence 85%
Oregon Water Utility Council [W-99-16-I-G1-608]trade assoc.
1 filing · confidence 85%
P.U.D. Improvements Association [W-99-16-I-G1-223]trade assoc.
1 filing · confidence 85%
Palrang Subdivision Water Corporation [W-99-16-I-G1-348]unverified attribution
1 filing · confidence 70%
Par Estates Homeowners Association [W-99-16-I-G1-380]trade assoc.
1 filing · confidence 85%
Park County Environmental Council [W-99-16-IV-B1-663]trade assoc.
1 filing · confidence 85%
Park Water Company [W-99-16-II-D1-17]unverified attribution
1 filing · confidence 70%
Pennsylvania Coal Association (PCA) [W-99-16-I-G1-855]trade assoc.
1 filing · confidence 85%
Phelps Dodge Corporation [W-99-16-I-G1-542]unverified attribution
1 filing · confidence 70%
Phelps Dodge Corporation [W-99-16-IV-B1-1029]unverified attribution
1 filing · confidence 70%
Pima Association of Governments (PAG) [W-99-16-I-G1-780]trade assoc.
1 filing · confidence 85%
Pima County Medical Society [W-99-16-I-G1-426]trade assoc.
1 filing · confidence 85%
Pinnacle West Capital Corporation (PNW) [W-99-16-VI-G1-3380]unverified attribution
1 filing · confidence 70%
Pinnacle West Capital Corporation (PWCC) [W-99-16-I-G1-745]unverified attribution
1 filing · confidence 70%
Piquniq Management Corporation [W-99-16-I-G1-173]unverified attribution
1 filing · confidence 70%
Placitas West Water Cooperative [W-99-16-I-D-17]unverified attribution
1 filing · confidence 70%
Providence City Corporation [W-99-16-I-G1-578]unverified attribution
1 filing · confidence 70%
Rancheritos Mutual Water Company [W-99-16-I-G1-760]unverified attribution
1 filing · confidence 70%
Rancho Grande Water Association [W-99-16-I-G1-522]trade assoc.
1 filing · confidence 85%
Redmond Town Counciltrade assoc.
1 filing · confidence 85%
Regulatory Studies Program (RSP) of the Mercatus Center at George Mason University [W-99-16-VI-G1-3378]unverified attribution
1 filing · confidence 70%
Rhodia Inc. [W-99-16-I-G1-625]unverified attribution
1 filing · confidence 70%
Richville Pipeline Company [W-99-16-I-G1-564]unverified attribution
1 filing · confidence 70%
Ridgecrest Chamber of Commercetrade assoc.
1 filing · confidence 85%
Rincon del Diablo Municipal Water Districtunverified attribution
1 filing · confidence 70%
Rincon Water Users Cooperative at Rinconunverified attribution
1 filing · confidence 70%
Rio Algom Mining Corporation [W-99-16-IV-B1-1022]unverified attribution
1 filing · confidence 70%
Rivers Point Property Owners Association [W-99-16-I-G1-844]trade assoc.
1 filing · confidence 85%
Riverside Highland Water Company [W-99-16-I-G1-388]unverified attribution
1 filing · confidence 70%
Saginaw-Midland Municipal Water Supply Corporation [W-99-16-I-G1-194]unverified attribution
1 filing · confidence 70%
Santa Clarita Water Company [W-99-16-I-G1-516]unverified attribution
1 filing · confidence 70%
School of Public Health University of California [W-99-16-II-D1-5]unverified attribution
1 filing · confidence 70%
Sherwood Water Company [W-99-16-I-G1-206]unverified attribution
1 filing · confidence 70%
Sierra Pacific Power Company (SPPC) [W-99-16-I-G1-583]unverified attribution
1 filing · confidence 70%
Sierra Pacific Power Company [W-99-16-I-G1-548]unverified attribution
1 filing · confidence 70%
Silver Spring Water Association [W-99-16-I-G1-798]trade assoc.
1 filing · confidence 85%
Solano Mutual Domestic Water Consumers Association [W-99-16-I-G1-462]trade assoc.
1 filing · confidence 85%
South San Ysidro Mutual Domestic Water Consumers Association (MDWCA) [W-99-16-I-G1-801]trade assoc.
1 filing · confidence 85%
submited by Carbochem Inc. [W-99-16-IV-B1-1113]unverified attribution
1 filing · confidence 70%
The Idaho Water Utilities Council [W-99-16-I-G1-746]trade assoc.
1 filing · confidence 85%
TurnKey Solutions Corporation [W-99-16-IV-B1-280]unverified attribution
1 filing · confidence 70%
Tyhee and S&N Water Association [W-99-16-I-G2-41]trade assoc.
1 filing · confidence 85%
U.S. Small Business Association [W-99-16-VI-G1-3985]trade assoc.
1 filing · confidence 85%
UEP Tufts University [W-99-16-I-G1-575]unverified attribution
1 filing · confidence 70%
Unitarian Society of Germantown [W-99-16-I-G1-737]trade assoc.
1 filing · confidence 85%
University of Arizona [W-99-16-I-G1-850]unverified attribution
1 filing · confidence 70%
University of Californiaunverified attribution
1 filing · confidence 70%
University of Colorado Health Sciences Center [W-99-16-I-G1-756]unverified attribution
1 filing · confidence 70%
University of Nebraska Medical Center [W-99-16-I-G1-829]unverified attribution
1 filing · confidence 70%
University of Nevada School of Medicine [W-99-16-I-G1-852]unverified attribution
1 filing · confidence 70%
University of Washington Department of Chemistry [W-99-16-IV-B1-399]unverified attribution
1 filing · confidence 70%
Utah Association of Special Districts (UASD) [W-99-16-I-G1-71]trade assoc.
1 filing · confidence 85%
Visteon Corporation [W-99-16-VI-G1-8]unverified attribution
1 filing · confidence 70%
Water Quality Association [W-99-16-I-G1-589]trade assoc.
1 filing · confidence 85%
Weidner Investment Services Inc. [W-99-16-I-G1-752]unverified attribution
1 filing · confidence 70%
Western Coalition of Arid States (WESCAS) [W-99-16-VI-G1-3457]trade assoc.
1 filing · confidence 85%
Western Coalition of Arid States (WESTCAS ) [W-99-16-VI-G1-3457]trade assoc.
1 filing · confidence 85%
Western Coalition of Arid States (WESTCAS) [W-99-16-I-D-22]trade assoc.
1 filing · confidence 85%
Western Coalition of Arid States (WESTCAS) [W-99-16-I-D-38]trade assoc.
1 filing · confidence 85%
Western Coalition of Arid States (WESTCAS) [W-99-16-I-G1-820]trade assoc.
1 filing · confidence 85%
Western Coalition of Arid States (WESTCAS) [W-99-16-II-D1-16]trade assoc.
1 filing · confidence 85%
Western Governors Association [W-99-16-I-D-32]trade assoc.
1 filing · confidence 85%
Western Regional Council (WRC) [W-99-16-I-G1-433]trade assoc.
1 filing · confidence 85%
Wilkinson Water Company [W-99-16-I-G1-122]unverified attribution
1 filing · confidence 70%
World Institute for Leadership and Management in Africa [W-99-16-I-G1-30]trade assoc.
1 filing · confidence 85%

National Primary Drinking Water Regulations; Arsenic and Clarifications to Compliance and New Source Contaminants Monitoring (EPA) — Natural Resources Defense Council (NRDC) | OpenPolis