Talk:Rainwater harvesting

message: I just saw that cse - a strong RWH proponent - got the Stockholm Water Prize 2005. http://www.siwi.org/press/presrel_05_SWP_Ceremony_Eng.htm
Benkeboy 16:18, 23 March 2006 (UTC)
thread_title: Stockholm Water Prize

message: I just came across this report. 
INDIA: Himachal Pradesh makes rainwater harvesting in cities compulsory
The Himachal Government is following the example of Karnataka, New Delhi and Chennai making a rainwater-harvesting structure compulsory in all new buildings within the municipal council limits to check the wastage of
water. Mr Kartar Jaiswal, Executive Officer, Local Municipal Council, issued a public notice saying that while constructing buildings 20 litres per square metre rooftop area need to be included for rainwater harvesting.
If this is not the case, permission to build will be rejected.
Web site: Rainwaterharvesting.org -Legislation on Rainwater Harvesting
--Singkong2005 a.k.a.  Chriswaterguy 16:25, 30 April 2006 (UTC)
thread_title: Rainwater harvesting now compulsory in cities in Himachal Pradesh 

message: the section on ´´methods´´ should be expanded to include the ways in which the harvesting and dsitribution is done via roofs, johads, viaducts etc Benkeboy 15:51, 23 March 2006 (UTC)
thread_title: Methods

message: Interesting info on harvesting methods from a radio program, Thirsty Communities - Harvesting the Rains in Rajasthan:
"the structures that harvest rain in India this way go by different names. There are talabs, beris, tankas, nadis, and many more, made out of brick, dung, earth - or today - concrete, all were designed to suit different locations and terrains." 
"here in the Thar desert we’ve come up to one of the many types of water harvesting devices in this region. This is actually quite an old one, it was built about 50 or 60 years ago by the local community here. And in effect, it’s a large dug out depression in the earth. It’s probably a couple of hundred metres in diameter. The idea is that it captures the rain, and people can walk down the stairs that are just to one side and take water from this, which effectively looks like a big pond."
"as well as providing drinking water it’s allowing them to grow trees and a fruit orchard on their parched lands."
The program describes a taanka which harvests rainwater, with an artificial catchment constructed by the people. It's a "big round structure raised up above the ground, but dug deep cylindrically into the depths of the earth, and the catchment is sort of a raised earth around it." Wells for India have adapted this traditional method:
*adding silt catchers (a "little depression on the side" - I guess this means the rain has to collect in a shallow depression and run over into the storage, so that silt collects in the depression); and 
*paving the surface to increase runoff.
Links to various sites, and organizations such as Wells for India are given at the end of the page. --Singkong2005 a.k.a.  Chriswaterguy 15:25, 8 May 2006 (UTC)
thread_title: India

message: Or should the article just link to Water tank? 
Once that is decided, Rainwater tank should be made either a redirect or a disambig page. --Singkong2005 a.k.a.  Chriswaterguy(t - c - WPID) 04:58, 21 June 2006 (UTC)
thread_title:  Does storage info belong in this article? 

message: I'm going to try to get around to expanding the section on 'systems' because IMHO it's sorely deficient now.  Additios on calcs (x inches / 1000sq = x litres) is easily researched and mandatory when considering a catchment system.  Useful materials for construction would be useful as well.  I realize most of this sort of info (and more) is likely obtainable by following some of the external links at the bottom of the page, but as I'm understanding this to be an intended self-sufficient article (rather than a direction to outside resources) there's still *lots* to be added to the page regarding the practicalities of building a catchment system --—Preceding unsigned comment added by Dirtyharry2 (talk • contribs)  13 September 2006
:Good, but see comment below, re putting "how-to" info at Appropedia. --Chriswaterguy talk 02:39, 8 March 2007 (UTC)
thread_title:  Methods and Calcs 

message: I added a line about the use of water butts for the collection of rain. This is becoming more popular with the prevelance of hose-pipe bans. Probably it's true outside of England too - but I don't have any sources... My new-build house comes with a water butt included in the deal...  —Preceding unsigned comment added by 217.34.222.220 (talk) 10:57, 20 March 2008 (UTC)
thread_title: In England

message: I added a schematic picture (thumb|right|150px|A domestic rainwater harvesting system) Please do not remove as it provides extra info with the article.
Thanks
KVDP (talk) 06:18, 8 May 2008 (UTC)
replies: text: I suggest you fix the white point so that the background is flat white.  That will make the diagrams look a lot more professional. --69.236.77.222 (talk) 22:57, 9 September 2008 (UTC)
thread_title:  Picture added 

message: I am suggesting a merge of these two articles, you can't have one with out the other.  The article Rainwater tank is contains a lot about the how (Rainwater harvesting) and the how contains a lot about the with (Rainwater tank). Jeepday (talk) 00:58, 19 June 2008 (UTC)
replies: text: They're both reasonably long articles about well defined areas. Rainwater harvesting does not require rainwater tanks (other reservoirs are also used), and rainwater tanks are only one part of harvesting. Why the need to merge the articles? There is some overlap, but it's acceptable. —Pengo 04:43, 19 June 2008 (UTC)

text: Doesn't make sense to me, why merge an activity with a device used to do it, it would be like merging digging with shovel --UltraMagnus (talk) 21:10, 18 July 2008 (UTC)
thread_title: Merge [[Rainwater tank]] and [[Rainwater harvesting]]?

message: I recently became aware of Heron's fountain.
After some research, I noticed that the Hydraulic_ram operates similarly. I was thinking about whether it would be possible to use a hydraulic ram pump, together with a main water reservoir on a roof (for height) i order to make a continuous (self-pumping, without electricity) system for supplying water.
Yes, but it will waste more water than it pumps.  If the wasted water goes to good cleaning and irrigation uses, than one may get a smaller volume of pressurized water to store at a higher elevation, or immediately force through filters, spray emitters, or more convenient spigots.  In this way energy not needed for a low pressure application, can theoretically be transferred to enable a higher pressure application.--Brian Ashman (talk) 03:20, 25 July 2009 (UTC)
thread_title:  Rainwater harvesting system with hydraulic ram 

message: thumb|right|150px|Pressurized rooftop rainwater harvester  —Preceding unsigned comment added by 81.246.128.230 (talk) 19:17, 6 February 2009 (UTC)
thread_title: Re-insert images

message: This should be worked out better. A example of a selfpurifying rainwater filter is avialable at http://www.devaplus.be/userfiles/files/Devafilterrekto.pdf  —Preceding unsigned comment added by 81.246.161.76 (talk) 11:19, 23 January 2009 (UTC)
thread_title: Rainwaterfilters

message: I reverted to a better older version. Re-examine the new info added since then and improve from old version. Leave pictures or make better ones. I put in allot of work, its better article, so start again.
Thanks,
81.246.128.230 (talk) 19:26, 6 February 2009 (UTC)
thread_title: Try again

message: I heard on NPR that it was illegal to collect your rainwater and snow in the state of Colorado. Does anybody know if that's right? --69.151.148.130 (talk) 03:18, 17 July 2009 (UTC)
replies: text: Correct. It is still basically illegal for residents of Colorado to collect rainwater. To collect rainwater, you have to have an existing well permit, and your residence may not be connected to a city water supply. The interpretation by water board lists all 6 requirements you must meet in order to legally harvest rainwater in Colorado. Statute as passed. The hurdles are set high enough to keep it illegal in Colorado for more than 90% of the people living here. Tangurena (talk) 03:11, 29 October 2009 (UTC)
thread_title: Legal?

message: The last edit had interesting information. However it belongs in a different article. This was about water harvesting before it reaches the aquifer recharge zone. The inserted text was about helping the aquifer recharge. I think it belongs in an aquifer related article. Sidelight12 Talk 16:25, 27 December 2012 (UTC)
thread_title: Last edit

message: Hi, I can't find information about water harvesting techniques in Africa, how come? Nakalema (talk) 07:32, 25 February 2015 (UTC)
thread_title:  Techniques in Africa 

message: HI? There seems to be little said about harvesting techniques in Africa.How can we improve on this?Onyangoachieng (talk) 07:37, 25 February 2015 (UTC)
thread_title:  missing references 

message: Hello, when I read the article I noticed it misses some references. How can we improve on this?Nakalema (talk) 07:37, 25 February 2015 (UTC)
thread_title:  missing references 

message: Hello when i read through your article i noticed that Kitakapeter (talk) 07:37, 25 February 2015 (UTC)
thread_title:  missing reality 

message: Hi, I go through the article and I did not find techniques in Africa. How can we improve this? Mwasiti.rashid (talk) 08:13, 25 February 2015 (UTC)
thread_title:  Techniques in Africa 

message: Hi, I'm a new editor to Wikiversity, and have recently put up about 40 pages of best practices on how to do rainwater harvesting. I wanted to include links to my pages on this page in Wikipedia, but so far have no found a good place for them. Since there are so many pages, I was trying to put links, but Wikipedia moderators do not like long link lists. So they suggested I start the topic here, so see if anyone had any ideas. It feels like important information, because there is no "how-to" info on this page so far, so it could really expand the topic to a whole new level of usefulness for users. Here is the main page in Wikiversity: https://en.wikiversity.org/wiki/Rainwater_harvesting. Does anyone have any ideas, maybe longer term editors, what do you think? I wanted to create a section called "How to do Rainwater Harvesting", but it would mainly consist of links to these already built pages, so I'm trying to think of a way to avoid that. Any ideas? Thanks. --Winona (talk) 03:37, 6 August 2015 (UTC)
replies: text: Per WP:NOTGUIDE, you can't add "how-to" content to Wikipedia. But, you could link mentions of topics covered in the Wikiversity page, e.g., "Rainwater can be collected from rivers or roofs". Some sentences might have to be re-worded/added to let you do that, and you can do that without sources if the content is obviously true (to everyone), like the example before. Also, I've added a  box which contains a link to the Wikiversity article. EdwardH (talk) 10:09, 6 August 2015 (UTC)
replies: text: Thank you @Edward! The sister project is a good idea, although the one you put on there is at the bottom of the page and it's not clear that it's going directly to the Rainwater Harvesting page in Wikiversity, so I fear users will not think to click there. Would it be okay to put a more specific box in the intro paragraph? Since this is where the general rainwater harvesting information is based. I.e. since the reference to the page in Wikiversity is also a general reference to a lot more information on the topic. We could specifically mention the word "rainwater harvesting" in the sister pages box, so people understand it is very much related. Currently I have edited the first paragraph to include some key words to some of the Wikiversity pages, that was a good idea too. I hope this is okay. I edited the paragraph a bit as well, since the grammar was not quite right and some repetitions existed. Thanks again for your help. --Winona (talk) 00:38, 13 August 2015 (UTC)
replies: text:   Good work on the edits. I'm afraid the sister link boxes can  go at the bottom article. Also, the sister pages already mentions rainwater harvesting: at the top it says "Find more about Rainwater harvesting" which heavily implies the Wikiversity link will go to a page on Rainwater harvesting. So I don't think there's anything we need to do about the link box. EdwardH (talk) 15:27, 13 August 2015 (UTC)
thread_title: Additional RWH How-to section

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thread_title:  External links modified 

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thread_title:  External links modified (January 2018) 

message: The first paragraph of § Quality stated, with the reference included:
 The concentration of contaminants is reduced significantly by diverting the initial flow of run-off water to waste.[New Scientist. 3 April 1999.] Improved water quality can also be obtained by using a floating draw-off mechanism (rather than from the base of the tank) and by using a series of tanks, withdraw from the last in series. Prefiltration is a common practice used in the industry to ensure that the water entering the tank is free of large sediment. Prefiltration is important to keep the system healthy.
The citation to an April 1999 issue of New Scientist was missing an appropriate article title. To find the original source of the reference, I checked the edit history. The ref was first included in  (bottom of the article), and it did have a linked article from the issue, titled It's raining pesticides. (The official New Scientist website also has a page of the article.) The article addresses high concentrations of toxic pesticides in drinking rainwater, but there is no mention of diverting the first flush (or initial flow) of run-off water to waste in order to significantly reduce the concentration.
As seen in the June 2006 revision, the ref originally cited a different statement:
 High levels of pesticide have been found in rainwater in Europe the highest concentrations occuring in the first rain immediately after a dry spell;[It's raining pesticides, New Scientist, 3 April 1999.] the concentration of these and other contaminants are reduced significantly by diverting the initial flow of water to waste, as described above.
"as described above" referred to a paragraph in the top section (§ Systems):
 A mechanism can be used to send the initial water flow to waste, usually the first few liters. The Water Genie is one option, which may be suitable in the developed world, but simpler, lower cost versions can also be made using a bucket which fills up, the weight of which is used to change the direction of water flow. ...
The ref became misattributed in  when a large portion of the Quality section was removed without a given reason. The fragments of the reference was then mistakenly inserted to the other statement (which lost its original context), and has remained there until now.
 some of the removed portion of § Quality back in 2012, as well as the removed parts of the ref, which has been updated and is cited to the correct statement again. — Neutral0814 (talk) 06:10, 10 July 2018 (UTC)
thread_title:  Misattributed ''New Scientist'' magazine reference 

message: "The system helps save approximately 1 million cubic meters of water per year. The cost of the system was 1.5 million dm (US$63,000) in 1993."
In the source, it is not 1 million. It is "1,00,000" which is a hundred thousand. Also the conversion rate is wrong for the cost. At that time it was equal to not less than 750,000 usd. Source did not seem very reliable to me so I wrote an email to frankfurt airport but got no replies. It has been almost a month.Uralunlucayakli (talk) 16:10, 7 October 2019 (UTC)
thread_title:  Frankfurt Airport 

message: I have added new information in the advantages section, comparing how beneficial or effective RWH systems are to large-scale, centralized water supply systems like dams. Please tell me if you find any false information or any other kinds of errors.  — Preceding unsigned comment added by Ray Hagihara (talk • contribs) 13:55, 27 November 2020 (UTC)
thread_title:  Added new information to the advantages section 

message: I added the photo with a small black tank for RWH. I think this image would give readers a better idea of what an RWH system can look like.  — Preceding unsigned comment added by Ray Hagihara (talk • contribs) 14:02, 27 November 2020 (UTC)
thread_title:  Added a photo 

message: Does anyone think a section on research related to rainwater harvesting would prove valuable for this article? I am aware of ongoing research into rainwater tank design and the effect of different system designs on water quality. I'm not sure if it would fall under the scope of this article however. --IanVG (talk) 16:59, 4 March 2021 (UTC)
replies: text: Hi IanVG, yes, I think that could be interesting. EMsmile (talk) 03:23, 26 March 2021 (UTC)
replies: text:  Okay EMsmile! I'll see if I come up with some resources when I can! Thank you for the reply.--IanVG (talk) 21:04, 27 April 2021 (UTC)
thread_title:  Rainwater Harvesting Research 

message: I have cleaned up the country examples a bit but I wonder how much "country level information" is useful? Should some of it rather be in the sub-articles on "water supply and sanitation in Country X" and then link to that and use excerpts? I've asked the same question also on the talk pages of reclaimed water and wastewater treatment because each time it's the same question. Also note that if we do country examples, we should make it somewhat balanced, i.e. not just write about the situation on high income countries. EMsmile (talk) 13:20, 26 March 2021 (UTC)
replies: text: EMsmile totally agree with you when I looked at this page last year. I would say go for it. I don't think the list style of the content really adds much to a comprehensive understanding of rainwater harvesting.--IanVG (talk) 21:06, 27 April 2021 (UTC)
replies: text:  Hi IanVG, I have made some of those changes now. I've culled down the country examples (removed unsourced statements). Should we do further culling/moving or it's OK like this now? When people add content in future they should consider rather adding it to the sub-articles on "water supply and sanitation in Country X".  EMsmile (talk) 01:00, 28 April 2021 (UTC)
thread_title:  Cleaning up the country examples 

message: — Assignment last updated by Wildgooseontheloose (talk) 23:22, 5 June 2022 (UTC)
thread_title: Wiki Education assignment: Climate change water adaptation approaches - Senior Seminar

message: I've just re-arranged the images so that there is only one image in the lead section. I think this image from Uganda is quite good. An alternative could be to have a collage of 4 images like at wetland. I also took out some other images that were not about RWH or where the caption was very unclear. EMsmile (talk) 10:01, 11 May 2022 (UTC)
thread_title:  Images 

message: Rain water store inhone help with pipe line and drama 106.66.194.250 (talk) 14:40, 8 February 2023 (UTC)
thread_title:  Water store 

message: — Assignment last updated by Mango37836 (talk) 18:21, 24 April 2023 (UTC)
thread_title: Wiki Education assignment: Global Poverty and Practice