OHA Drinking Water Services
MRDL Monitoring Requirements :: Excel Spreadsheet

PWS ID: 00657 ---- PORTLAND WATER BUREAU
Maximum Residual Disinfection Level (MRDL) Samples

Monitoring
Period		 Received Entry
Point		 Samples
Required		 Samples
Collected		 Period
Avg		 Annual
Avg		 Level
Compliance
Apr 01, 2021 DIST-A 240 257 2 1.9Y
Mar 01, 2021 DIST-A 240 249 2 1.9Y
Feb 01, 2021 DIST-A 240 253 2 1.9Y
Jan 01, 2021 DIST-A 240 268 1.9 1.9Y
Dec 01, 2020 DIST-A 240 265 2.00 1.9Y
Nov 01, 2020 DIST-A 243 260 2 1.9Y
Oct 01, 2020 DIST-A 240 255 1.75 1.9Y
Sep 01, 2020 DIST-A 240 256 2 1.9Y
Aug 01, 2020 DIST-A 243 257 1.90 1.9Y
Jul 01, 2020 DIST-A 240 251 2 1.8Y
Jun 01, 2020 DIST-A 243 245 1.8 1.8Y
May 01, 2020 DIST-A 240 258 1.78 1.8Y
Apr 01, 2020 DIST-A 240 256 1.9 1.8Y
Mar 01, 2020 DIST-A 240 250 2 1.8Y
Feb 01, 2020 DIST-A 240 260 1.9 1.8Y
Jan 01, 2020 DIST-A 240 259 2 1.8Y
Dec 01, 2019 DIST-A 240 259 2 1.8Y
Nov 01, 2019 DIST-A 240 260 1.7 1.8Y
Oct 01, 2019 DIST-A 240 256 1.7 1.8Y
Sep 01, 2019 DIST-A 240 259 1.6 1.8Y
Aug 01, 2019 DIST-A 243 262 1.79 1.8Y
Jul 01, 2019 DIST-A 243 270 1.8 1.8Y
Jun 01, 2019 DIST-A 240 261 1.7 1.8Y
May 01, 2019 DIST-A 240 259 1.7 1.8Y
Apr 01, 2019 DIST-A 240 274 1.8 1.8Y
Mar 01, 2019 DIST-A 240 258 1.9 1.8Y
Feb 01, 2019 DIST-A 240 268 1.90 1.8Y
Jan 01, 2019 DIST-A 240 257 1.97 1.8Y
Dec 01, 2018 DIST-A 240 258 1.8 1.7Y
Nov 01, 2018 DIST-A 246 272 1.7 1.7Y
Oct 01, 2018 DIST-A 240 287 1.73 1.7Y
Sep 01, 2018 DIST-A 240 255 1.8 1.7Y
Aug 01, 2018 DIST-A 243 273 1.8 1.7Y
Jul 01, 2018 DIST-A 243 262 1.7 1.7Y
Jun 01, 2018 DIST-A 243 262 1.7 1.7Y
May 01, 2018 DIST-A 240 277 1.8 1.7Y
Apr 01, 2018 DIST-A 240 259 1.7 1.7Y
Mar 01, 2018 DIST-A 240 260 1.7 1.7Y
Feb 01, 2018 DIST-A 210 258 1.6 1.7Y
Jan 01, 2018 DIST-A 210 260 1.7 1.7Y
Dec 01, 2017 DIST-A 210 258 1.8 1.8Y
Nov 01, 2017 DIST-A 210 262 1.7 1.7Y
Oct 01, 2017 DIST-A 210 283 1.7 1.7Y
Sep 01, 2017 DIST-A 210 256 1.7 1.7Y
Aug 01, 2017 DIST-A 210 282 1.8 1.7Y
Jul 01, 2017 DIST-A 216 263 1.7 1.7Y
Jun 01, 2017 DIST-A 210 256 1.7 1.7Y
May 01, 2017 DIST-A 210 266 1.7 1.7Y
Apr 01, 2017 DIST-A 210 255 1.7 1.7Y
Mar 01, 2017 DIST-A 210 263 1.8 1.7Y
Feb 01, 2017 DIST-A 210 258 1.8 1.8Y
Jan 01, 2017 DIST-A 210 258 1.9 1.8Y
Dec 01, 2016 DIST-A 210 257 1.76 1.8Y
Nov 01, 2016 DIST-A 210 257 1.64 1.8Y
Oct 01, 2016 DIST-A 216 257 1.6 1.8Y
Sep 01, 2016 DIST-A 210 253 1.5 1.8Y
Aug 01, 2016 DIST-A 210 280 1.8 1.8Y
Jul 01, 2016 DIST-A 210 258 1.70 1.8Y
Jun 01, 2016 DIST-A 210 254 1.8 1.8Y
May 01, 2016 DIST-A 210 236 1.8 1.8Y
Apr 01, 2016 DIST-A 210 223 1.8 1.8Y
Mar 01, 2016 DIST-A 210 258 2 1.9Y
Feb 01, 2016 DIST-A 210 225 1.9 1.8Y
Jan 01, 2016 DIST-A 210 231 1.8 1.9Y
Dec 01, 2015 DIST-A 210 255 2 1.9Y
Nov 01, 2015 DIST-A 210 230 1.7 1.9Y
Oct 01, 2015 DIST-A 210 228 1.7 1.9Y
Sep 01, 2015 DIST-A 210 238 1.7 1.9Y
Aug 01, 2015 DIST-A 213 241 1.8 1.9Y
Jul 01, 2015 DIST-A 210 236 1.9 2.0Y
Jun 01, 2015 DIST-A 210 281 2.0 2.0Y
May 01, 2015 DIST-A 213 226 1.84 2.0Y
Apr 01, 2015 DIST-A 210 280 1.88 2.0Y
Mar 01, 2015 DIST-A 210 286 1.9 1.9Y
Feb 01, 2015 DIST-A 210 246 2 2.0Y
Jan 01, 2015 DIST-A 213 269 2.0 2.0Y
Dec 01, 2014 DIST-A 210 285 2.0 2.0Y
Nov 01, 2014 DIST-A 210 243 2.0 2.0Y
Oct 01, 2014 DIST-A 213 336 1.9 2.0Y
Sep 01, 2014 DIST-A 219 319 2.0 2.0Y
Aug 01, 2014 DIST-A 213 290 2 1.9Y
Jul 01, 2014 DIST-A 213 325 2 1.9Y
Jun 01, 2014 DIST-A 213 294 2.0 1.8Y
May 01, 2014 DIST-A 219 278 1.8 1.8Y
Apr 01, 2014 DIST-A 210 282 1.8 1.7Y
Mar 01, 2014 DIST-A 213 260 2 1.7Y
Feb 01, 2014 DIST-A 210 226 2 1.7Y
Jan 01, 2014 DIST-A 210 237 2.1 1.6Y
Dec 01, 2013 DIST-A 210 240 2.3 1.6Y
Nov 01, 2013 DIST-A 213 243 2.3 1.5Y
Oct 01, 2013 DIST-A 213 291 2 1.4Y
Sep 01, 2013 DIST-A 225 386 1.0 1.4Y
Aug 01, 2013 DIST-A 216 276 1.3 1.4Y
Jul 01, 2013 DIST-A 210 286 1.3 1.4Y
Jun 01, 2013 DIST-A 210 242 1.4 1.4Y
May 01, 2013 DIST-A 210 273 1.4 1.3Y
Apr 01, 2013 DIST-A 210 266 1.5 1.4Y
Mar 01, 2013 DIST-A 210 243 1.5 1.4Y
Feb 01, 2013 DIST-A 210 226 1.5 1.4Y
Jan 01, 2013 DIST-A 210 253 1.5 1.4Y
Dec 01, 2012 DIST-A 210 238 1.4 1.4Y
Nov 01, 2012 DIST-A 210 231 1.3 1.4Y
Oct 01, 2012 DIST-A 216 304 1.2 1.4Y
Sep 01, 2012 DIST-A 210 0 1.4Y
Aug 01, 2012 DIST-A 210 0 1.4Y
Jul 01, 2012 DIST-A 213 2 1.2 1.4Y
Jun 01, 2012 DIST-A 213 1 0.9 1.4Y
May 01, 2012 DIST-A 213 1 1.65 1.4Y
Apr 01, 2012 DIST-A 213 1 1.6 1.4Y
Mar 01, 2012 DIST-A 210 0 1.4Y
Feb 01, 2012 Mar 08, 2012 DIST-A 216 276 1.5 1.4Y
Jan 01, 2012 Feb 10, 2012 DIST-A 210 297 1.5 1.4Y
Dec 01, 2011 Jan 04, 2012 DIST-A 210 291 1.5 1.4Y
Nov 01, 2011 Dec 08, 2011 DIST-A 210 318 1.2 1.4Y
Oct 01, 2011 Nov 09, 2011 DIST-A 210 0 0 1.4Y
Sep 01, 2011 Oct 10, 2011 DIST-A 210 314 1.3 1.3Y
Aug 01, 2011 Sep 08, 2011 DIST-A 219 358 1.3 1.3Y
Jul 01, 2011 Aug 10, 2011 DIST-A 213 280 1.3 1.2Y
Jun 01, 2011 Jul 07, 2011 DIST-A 213 327 1.3 1.2Y
May 01, 2011 Jun 09, 2011 DIST-A 210 313 1.4 1.2Y
Apr 01, 2011 May 09, 2011 DIST-A 210 256 1.3 1.2Y
Mar 01, 2011 Apr 08, 2011 DIST-A 210 306 1.5 1.2Y
Feb 01, 2011 Mar 10, 2011 DIST-A 213 246 1.5 1.2Y
Jan 01, 2011 Feb 10, 2011 DIST-A 210 258 1.5 1.2Y
Dec 01, 2010 Jan 07, 2011 DIST-A 210 265 1.4 1.2Y
Nov 01, 2010 Dec 09, 2010 DIST-A 210 252 1.3 1.2Y
Oct 01, 2010 Nov 10, 2010 DIST-A 222 248 1.1 1.2Y
Sep 01, 2010 Oct 07, 2010 DIST-A 216 289 0.12 1.2Y
Aug 01, 2010 Sep 10, 2010 DIST-A 222 337 1.2 1.3Y
Jul 01, 2010 Aug 09, 2010 DIST-A 216 294 1.2 1.3Y
Jun 01, 2010 Jul 08, 2010 DIST-A 219 327 1.2 1.3Y
May 01, 2010 Jun 10, 2010 DIST-A 210 277 1.3 1.4Y
Apr 01, 2010 May 07, 2010 DIST-A 213 298 1.4 1.2Y
Mar 01, 2010 Apr 09, 2010 DIST-A 210 359 1.4 1.2Y
Feb 01, 2010 Mar 09, 2010 DIST-A 210 275 1.4 1.2Y
Jan 01, 2010 Feb 09, 2010 DIST-A 210 274 1.5 1.2Y
Dec 01, 2009 Jan 08, 2010 DIST-A 213 280 1.4 1.2Y
Nov 01, 2009 Dec 10, 2009 DIST-A 213 270 1.2 1.2Y
Oct 01, 2009 Nov 10, 2009 DIST-A 228 319 1.3 1.2Y
Sep 01, 2009 Oct 09, 2009 DIST-A 216 292 1.2 1.2Y
Aug 01, 2009 Sep 10, 2009 DIST-A 219 309 1.2 1.2Y
Jul 01, 2009 Sep 25, 2009 DIST-A 223 6 1.2 1.2Y
Jun 01, 2009 Sep 25, 2009 DIST-A 213 1 1.8 1.3Y
May 01, 2009 Jun 10, 2009 DIST-A 210 210 1.2Y
Apr 01, 2009 May 07, 2009 DIST-A 210 279 1.4 1.3Y
Mar 01, 2009 Apr 08, 2009 DIST-A 210 296 1.4 1.4Y
Feb 01, 2009 Mar 10, 2009 DIST-A 210 251 1.4 1.4Y
Jan 01, 2009 Feb 10, 2009 DIST-A 210 263 1.4 1.4Y
Dec 01, 2008 Jan 09, 2009 DIST-A 210 262 1.4 1.4Y
Nov 01, 2008 Dec 10, 2008 DIST-A 210 234 1.3 1.4Y
Oct 01, 2008 Nov 07, 2008 DIST-A 210 291 1.2 1.4Y
Sep 01, 2008 Oct 10, 2008 DIST-A 210 281 1.2 1.4Y
Aug 01, 2008 Sep 09, 2008 DIST-A 210 277 1.3 1.4Y
Jul 01, 2008 Aug 08, 2008 DIST-A 210 347 1.4 1.4Y
Jun 01, 2008 Jul 09, 2008 DIST-A 210 288 1.4 1.4Y
May 01, 2008 Jun 05, 2008 DIST-A 210 277 1.4 1.3Y
Apr 01, 2008 May 09, 2008 DIST-A 210 329 1.4 1.4Y
Mar 01, 2008 Apr 10, 2008 DIST-A 210 307 1.5 1.3Y
Feb 01, 2008 Mar 07, 2008 DIST-A 210 266 1.5 1.3Y
Jan 01, 2008 Feb 08, 2008 DIST-A 210 287 1.4 1.3Y
Dec 01, 2007 Jan 10, 2008 DIST-A 210 284 1.4 1.4Y
Nov 01, 2007 Dec 07, 2007 DIST-A 210 242 1.2 1.4Y
Oct 01, 2007 Nov 09, 2007 DIST-A 210 338 1.2 1.4Y
Sep 01, 2007 Oct 10, 2007 DIST-A 210 269 1.2 1.4Y
Aug 01, 2007 Sep 07, 2007 DIST-A 210 333 1.2 1.4Y
Jul 01, 2007 Oct 17, 2007 DIST-A 210 0 1.4Y
Jun 01, 2007 Jul 10, 2007 DIST-A 210 307 1.3 1.4Y
May 01, 2007 Jun 08, 2007 DIST-A 210 337 1.4 1.4Y
Apr 01, 2007 May 09, 2007 DIST-A 210 314 1.4 1.4Y
Mar 01, 2007 Apr 05, 2007 DIST-A 0 322 1.5 1.4Y
Feb 01, 2007 Mar 09, 2007 DIST-A 210 281 1.5 1.4Y
Jan 01, 2007 Feb 09, 2007 DIST-A 210 308 1.5 1.4Y
Dec 01, 2006 Jan 10, 2007 DIST-A 1 271 1.4 1.3Y
Nov 01, 2006 Dec 08, 2006 DIST-A 1 315 1.3 1.3Y
Oct 01, 2006 Nov 09, 2006 DIST-A 0 320 1.3 1.3Y
Sep 01, 2006 Oct 10, 2006 DIST-A 15 276 1.3 1.3Y
Aug 01, 2006 Sep 08, 2006 DIST-A 210 358 1.3 1.3Y
Jul 01, 2006 Aug 10, 2006 DIST-A 210 289 1.3 1.3Y
Jun 01, 2006 Jul 10, 2006 DIST-A 210 340 1.3 1.4Y
May 01, 2006 Jun 08, 2006 DIST-A 210 331 1.4 1.4Y
Apr 01, 2006 May 09, 2006 DIST-A 210 305 1.3 1.4Y
Mar 01, 2006 Apr 10, 2006 DIST-A 210 340 1.3 1.4Y
Feb 01, 2006 Mar 10, 2006 DIST-A 210 288 1.3 1.4Y
Jan 01, 2006 Feb 10, 2006 DIST-A 210 309 1.3 1.4Y
Dec 01, 2005 Jan 10, 2006 DIST-A 210 297 1.5 1.4Y
Nov 01, 2005 Dec 09, 2005 DIST-A 210 326 1.3 1.4Y
Oct 01, 2005 Nov 04, 2005 DIST-A 210 325 1.3 1.4Y
Sep 01, 2005 Oct 10, 2005 DIST-A 210 308 1.4 1.4Y
Aug 01, 2005 Sep 09, 2005 DIST-A 210 364 1.4 1.4Y
Jul 01, 2005 Aug 04, 2005 DIST-A 210 281 1.4 1.4Y
Jun 01, 2005 Jul 08, 2005 DIST-A 210 303 1.4 1.4Y
May 01, 2005 Jun 10, 2005 DIST-A 210 319 1.3 1.3Y
Apr 01, 2005 May 10, 2005 DIST-A 210 299 1.5 1.4Y
Mar 01, 2005 Apr 08, 2005 DIST-A 210 354 1.4 1.3Y
Feb 01, 2005 Mar 09, 2005 DIST-A 210 283 1.3 1.3Y
Jan 01, 2005 Feb 08, 2005 DIST-A 210 287 1.4 1.3Y
Dec 01, 2004 Feb 08, 2005 DIST-A 210 314 1.4 1.3Y
Nov 01, 2004 Feb 08, 2005 DIST-A 210 288 1.3 1.3Y
Oct 01, 2004 Nov 09, 2004 DIST-A 210 288 1.3 1.3Y
Sep 01, 2004 Oct 08, 2004 DIST-A 210 301 1.2 1.2Y
 



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