corpus.blog
41554 blogs · [ { "id": "01a08774-14e7-70c2-b0b3-ef7cd79d3e4b", "title": "Slow Sand Filter Update June 26 2026", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-june-26-2026/", "published_at": "2026-06-27T01:56:24+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cd82294a5", "title": "slow sand filter update Feb 24 2026", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-feb-24-2026/", "published_at": "2026-02-24T15:22:20+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cd8e026be", "title": "July 1 2025 slow sand filter update", "url": "https://www.enlight-inc.com/blog/july-1-2025-slow-sand-filter-update/", "published_at": "2025-07-01T23:42:13+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cd94c3569", "title": "Update May 16, 2025", "url": "https://www.enlight-inc.com/blog/update-may-16-2025/", "published_at": "2025-05-16T22:36:22+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cda044983", "title": "Current status of filters for April 2025", "url": "https://www.enlight-inc.com/blog/current-status-of-filters-for-april-2025/", "published_at": "2025-04-28T18:45:20+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cda147d76", "title": "Rainfall Totals for Washington state in Snohomish county", "url": "https://www.enlight-inc.com/blog/rainfall-totals-for-washington-state-in-snohomish-county/", "published_at": "2024-06-29T14:35:47+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cdaf974aa", "title": "Update June 23 2024", "url": "https://www.enlight-inc.com/blog/update-june-23-2024/", "published_at": "2024-06-23T20:54:34+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cdbbd488d", "title": "Update January 6, 2024", "url": "https://www.enlight-inc.com/blog/update-january-6-2024/", "published_at": "2024-01-07T01:30:46+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cdcab2a14", "title": "Update June 22, 2023", "url": "https://www.enlight-inc.com/blog/update-june-22-2023/", "published_at": "2023-06-22T22:37:21+00:00" }, { "id": "01a08774-14e7-70c2-b0b3-ef7cdd1d29b8", "title": "Update January 3, 2023", "url": "https://www.enlight-inc.com/blog/update-january-3-2023/", "published_at": "2023-01-04T06:18:27+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266d836a08", "title": "December 18, 2022 Update", "url": "https://www.enlight-inc.com/blog/december-18-2022-update/", "published_at": "2022-12-19T01:48:03+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266dcb810d", "title": "November 2022 Update", "url": "https://www.enlight-inc.com/blog/november-2022-update/", "published_at": "2022-11-10T04:40:35+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266e0f2002", "title": "Slow Sand Filter Update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-8/", "published_at": "2022-06-18T01:59:48+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266e51580f", "title": "The newest fish pond water is still clean after over a year with 3 fish in the pond.", "url": "https://www.enlight-inc.com/blog/the-newest-fish-pond-water-is-still-clean-after-over-a-year-with-3-fish-in-the-pond/", "published_at": "2022-05-31T23:06:46+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266ebb2232", "title": "Biological slow sand water filters remove over 99 percent of nanoplastics", "url": "https://www.enlight-inc.com/blog/biological-slow-sand-water-filters-remove-over-99-percent-of-nano-plastics/", "published_at": "2022-05-31T22:25:44+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266efe6e21", "title": "Update April 4, 2022", "url": "https://www.enlight-inc.com/blog/update-april-4-2022/", "published_at": "2022-04-04T21:50:55+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20266f25d3b4", "title": "Update; January 17, 2022", "url": "https://www.enlight-inc.com/blog/update-january-17-2022/", "published_at": "2022-01-17T19:16:40+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-20267011f805", "title": "Update December 31, 2021", "url": "https://www.enlight-inc.com/blog/update-december-31-2021/", "published_at": "2021-12-31T18:55:02+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-202670a6a74c", "title": "November Update", "url": "https://www.enlight-inc.com/blog/november-update/", "published_at": "2021-11-04T18:21:09+00:00" }, { "id": "01a0c50b-20ff-70dd-a1c7-202670ebd144", "title": "Update October 2021", "url": "https://www.enlight-inc.com/blog/update-october-2021/", "published_at": "2021-10-22T17:30:22+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7a31e0e9", "title": "Flow Tests on Slow Sand Filters 1,2,3,4 and 5 from our website slowsandfilter.org", "url": "https://www.enlight-inc.com/blog/flow-tests-on-slow-sand-filters-1234-and-5-from-our-website-slowsandfilter-org/", "published_at": "2021-08-22T22:47:11+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7ae39b6f", "title": "Update, July 15, 2021", "url": "https://www.enlight-inc.com/blog/update-july-15-2021/", "published_at": "2021-07-15T23:40:57+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7b34a5d3", "title": "Blog update June 18, 2021", "url": "https://www.enlight-inc.com/blog/blog-update-june-18-2021/", "published_at": "2021-06-18T18:51:54+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7bb3f23e", "title": "May 2021 update", "url": "https://www.enlight-inc.com/blog/may-2021-update/", "published_at": "2021-05-22T20:35:33+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7caa0425", "title": "2020 slow sand filter update", "url": "https://www.enlight-inc.com/blog/2020-slow-sand-filter-update/", "published_at": "2020-12-16T22:44:50+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7d34c427", "title": "Slow sand filter update August 8, 2020", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-august-8-2020/", "published_at": "2020-08-08T22:38:42+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7d8eb3fd", "title": "Update for May 2020", "url": "https://www.enlight-inc.com/blog/update-for-may-2020/", "published_at": "2020-05-31T15:49:03+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7de5b47b", "title": "Update for 2019", "url": "https://www.enlight-inc.com/blog/update-for-2019/", "published_at": "2019-08-26T18:45:53+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7ee1a760", "title": "Slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-7/", "published_at": "2019-06-15T19:02:35+00:00" }, { "id": "01a0c51a-e6d0-713d-b4da-bfeb7f423f4f", "title": "Slow sand filter video", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-video/", "published_at": "2019-04-15T00:55:56+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f49235c2", "title": "Slow sand filter update March 14, 2019", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-march-14-2019/", "published_at": "2019-03-15T00:08:47+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f4aa4cea", "title": "Slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-6/", "published_at": "2019-01-25T21:59:42+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f5a5a155", "title": "website work", "url": "https://www.enlight-inc.com/blog/website-work/", "published_at": "2018-11-02T01:11:52+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f5e16262", "title": "slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-5/", "published_at": "2018-03-22T17:56:03+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f6127224", "title": "Raw Water: A new health trend?", "url": "https://www.enlight-inc.com/blog/raw-water/", "published_at": "2018-01-04T18:48:25+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f6e4154f", "title": "Slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-4/", "published_at": "2017-11-06T17:05:08+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f776f9d4", "title": "Slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-3/", "published_at": "2017-04-16T17:36:27+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f815f1c8", "title": "Slow sand water filters in freezing weather", "url": "https://www.enlight-inc.com/blog/slow-sand-water-filters-in-freezing-weather/", "published_at": "2017-02-13T15:33:16+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f86fad04", "title": "Rain water harvesting regulation", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-regulation/", "published_at": "2017-02-10T16:47:57+00:00" }, { "id": "01a0c526-0b68-71bb-913a-f0d1f93e8dd2", "title": "Slow sand filter update", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-update-2/", "published_at": "2017-01-27T19:26:42+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f0779c2301", "title": "How long will a slow sand filter last ?", "url": "https://www.enlight-inc.com/blog/how-long-will-a-slow-sand-filter-last/", "published_at": "2016-08-07T00:27:38+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f0786c5111", "title": "Rain water harvesting in Washington DC", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-in-washington-dc/", "published_at": "2016-06-15T21:47:10+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f078a213bc", "title": "Colorado legalizes rain water harvesting", "url": "https://www.enlight-inc.com/blog/colorado-legalizes-rain-water-harvesting-for-everyone/", "published_at": "2016-05-25T22:19:50+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f0790ba5d8", "title": "Water molecules have now been shown to have a fourth “state of matter”", "url": "https://www.enlight-inc.com/blog/water-molecules-have-now-been-shown-to-have-a-fourth-state-of-matter/", "published_at": "2016-04-27T16:41:12+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f079f45bb0", "title": "An update on rain water harvesting in Colorado", "url": "https://www.enlight-inc.com/blog/an-update-on-rain-water-harvesting-in-colorado/", "published_at": "2016-04-03T18:56:59+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f07aa9981b", "title": "Urban runoff kills salmon", "url": "https://www.enlight-inc.com/blog/harvest-rain-water-and-protect-the-environment/", "published_at": "2015-10-10T09:40:16+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f07b080e67", "title": "Regarding water, do trees make a difference?", "url": "https://www.enlight-inc.com/blog/regarding-water-do-trees-make-a-difference/", "published_at": "2015-10-07T16:32:45+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f07bf6fd2e", "title": "Think about water", "url": "https://www.enlight-inc.com/blog/think-about-water/", "published_at": "2015-10-05T17:08:47+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f07bfcabe3", "title": "Cryptosporidium in swimming pools", "url": "https://www.enlight-inc.com/blog/cryptosporidium-in-swimming-pools/", "published_at": "2015-06-30T13:37:45+00:00" }, { "id": "01a0c531-5f7f-73ca-98ef-74f07c3a87ce", "title": "Drought conditions declared in Washington state", "url": "https://www.enlight-inc.com/blog/drought-conditions-declared-in-washington-state/", "published_at": "2015-05-15T14:08:21+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed12042f8008", "title": "A five gallon slow sand water filter", "url": "https://www.enlight-inc.com/blog/a-five-gallon-slow-sand-water-filter/", "published_at": "2015-04-16T14:40:08+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed120486d380", "title": "De-chlorinate water with vitamin C", "url": "https://www.enlight-inc.com/blog/de-chlorinate-water-with-vitamin-c/", "published_at": "2015-03-25T21:13:22+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed120539225f", "title": "The Seattle area may face water supply issues", "url": "https://www.enlight-inc.com/blog/the-seattle-area-may-face-water-supply-issues/", "published_at": "2015-02-10T20:10:21+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed1205b44fc0", "title": "Five gallon slow sand filter update", "url": "https://www.enlight-inc.com/blog/five-gallon-slow-sand-filter-update/", "published_at": "2015-02-09T17:42:47+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed12069b89c3", "title": "Slow sand water filter sand source", "url": "https://www.enlight-inc.com/blog/slow-sand-water-filter-sand-source-2/", "published_at": "2015-02-09T17:01:34+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed1206cb346d", "title": "Rain water harvesting update", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-update/", "published_at": "2015-02-09T10:02:12+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed1207b5a126", "title": "Earth (config_earth.txt)", "url": "https://www.enlight-inc.com/blog/earth-config_earth-txt_/", "published_at": "2015-01-24T17:08:26+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed1207df8154", "title": "A biological pond filter", "url": "https://www.enlight-inc.com/blog/a-biological-pond-filter/", "published_at": "2014-12-24T00:46:07+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed120807e188", "title": "Rain water harvesting", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting/", "published_at": "2014-12-20T20:11:42+00:00" }, { "id": "01a0c53b-7042-7078-905f-ed12086ce99c", "title": "Slow sand filters frozen in November 2014", "url": "https://www.enlight-inc.com/blog/slow-sand-filters-frozen-in-november-2014/", "published_at": "2014-11-21T22:44:06+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf268b51f9d", "title": "Emergency water supply", "url": "https://www.enlight-inc.com/blog/emergency-water-supply/", "published_at": "2014-10-09T18:53:50+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf2690c5822", "title": "Slow sand filtration information", "url": "https://www.enlight-inc.com/blog/slow-sand-filtration-information/", "published_at": "2014-10-03T11:35:55+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf2697f4fc4", "title": "slow sand filter field tests", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-field-tests/", "published_at": "2014-10-02T23:02:39+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf269ca5baf", "title": "Five gallon slow sand filter", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update-6/", "published_at": "2014-09-29T18:10:01+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26aab8fdc", "title": "Rain water harvesting and slow sand filter update", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-and-slow-sand-filter-update/", "published_at": "2014-09-21T16:36:43+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26b5d562c", "title": "How safe is your water?", "url": "https://www.enlight-inc.com/blog/how-safe-is-your-water/", "published_at": "2014-08-25T16:16:13+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26bfc8cd2", "title": "Microcystin removal by slow sand water filtration", "url": "https://www.enlight-inc.com/blog/microcystin-removal-by-slow-sand-filtration/", "published_at": "2014-08-05T15:28:45+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26c6d959d", "title": "What if the public water system becomes unusable?", "url": "https://www.enlight-inc.com/blog/what-if-the-public-water-system-becomes-unusable/", "published_at": "2014-08-05T00:39:18+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26d6183d9", "title": "DIY 5 gallon slow sand filter update", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update-5/", "published_at": "2014-06-20T19:29:57+00:00" }, { "id": "01a0c544-8541-7185-a3f3-ddf26e588865", "title": "Will a DIY slow sand filter produce potable water?", "url": "https://www.enlight-inc.com/blog/potable-water-from-a-diy-slow-sand-filter-2/", "published_at": "2014-05-20T14:22:54+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c0a4dab7", "title": "Five gallon DIY slow sand filter update", "url": "https://www.enlight-inc.com/blog/five-gallon-diy-slow-sand-filter-update/", "published_at": "2014-05-02T15:14:40+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c0f28730", "title": "Can I save money on my water bill by using a rain barrel?", "url": "https://www.enlight-inc.com/blog/can-i-save-money-on-my-water-bill-by-using-a-rain-barrel/", "published_at": "2014-04-28T15:56:26+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c15c78e7", "title": "Designing a DIY slow sand filter: what to consider", "url": "https://www.enlight-inc.com/blog/designing-a-diy-slow-sand-filter-what-to-consider/", "published_at": "2014-04-18T14:26:33+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c1b96e07", "title": "A counter top slow sand water filter", "url": "https://www.enlight-inc.com/blog/a-counter-top-slow-sand-water-filter/", "published_at": "2014-04-17T23:59:32+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c1eb0ce9", "title": "DIY 5 gallon slow sand filter update", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update-4/", "published_at": "2014-04-11T22:46:04+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c29a4282", "title": "DIY 5 gallon slow sand filter (experiment) update", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-experiment-update/", "published_at": "2014-03-13T23:52:25+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c35324e7", "title": "Backwashing a slow sand filter", "url": "https://www.enlight-inc.com/blog/backwashing-a-slow-sand-filter-2/", "published_at": "2014-03-09T00:15:48+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c4451665", "title": "DIY 5 gallon Slow sand filter update for February 2014", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update-3/", "published_at": "2014-02-07T18:34:13+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c48b3429", "title": "Drought in the U.S. : what you can do", "url": "https://www.enlight-inc.com/blog/drought-in-the-u-s-what-you-can-do/", "published_at": "2014-02-07T18:12:47+00:00" }, { "id": "01a0c54d-42b5-7262-964e-fa93c50ca53b", "title": "Rain water harvesting regulations in Ohio", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-regulations-in-ohio/", "published_at": "2014-02-01T17:57:38+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5711c3a33a", "title": "Harvest rainwater help alleviate the effects of Drought", "url": "https://www.enlight-inc.com/blog/drought-harvest-rainwater-while-you-can/", "published_at": "2014-01-31T19:54:07+00:00" }, { "id": "01a0c555-e424-717d-a891-5d571225f02a", "title": "DIY 5 gallon slow sand filter update", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update-2/", "published_at": "2014-01-05T19:27:29+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5712f24b4e", "title": "slow sand filters in freezing temperatures", "url": "https://www.enlight-inc.com/blog/slow-sand-filters-in-freezing-temperatures/", "published_at": "2013-12-07T01:35:11+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5713a26c2d", "title": "Rain water harvesting is not illegal (lets keep it that way)", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-is-not-illegal/", "published_at": "2013-12-03T17:56:45+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5713ed40f1", "title": "Sustainable water filtration", "url": "https://www.enlight-inc.com/blog/sustainable-water-filtration/", "published_at": "2013-11-22T17:22:01+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5714bff08e", "title": "DIY 5 gallon slow sand filter update", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-update/", "published_at": "2013-11-13T15:41:46+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5714c932b3", "title": "Water filter test summary", "url": "https://www.enlight-inc.com/blog/water-filter-test-summary/", "published_at": "2013-10-19T17:11:49+00:00" }, { "id": "01a0c555-e424-717d-a891-5d57152830e5", "title": "Uniformity coefficient of sand", "url": "https://www.enlight-inc.com/blog/uniformity-coefficient-of-sand/", "published_at": "2013-10-18T17:06:05+00:00" }, { "id": "01a0c555-e424-717d-a891-5d5715b94006", "title": "Slow sand water filter operation and water clarity", "url": "https://www.enlight-inc.com/blog/slow-sand-water-filter-operation-and-water-clarity/", "published_at": "2013-10-03T15:01:38+00:00" }, { "id": "01a0c555-e424-717d-a891-5d57161b2a5b", "title": "Roofing material and rain water harvesting", "url": "https://www.enlight-inc.com/blog/roofing-material-and-rain-water-harvesting/", "published_at": "2013-10-01T14:09:15+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca22cd270e", "title": "DIY 5 gallon slow sand filter (experiment)", "url": "https://www.enlight-inc.com/blog/diy-5-gallon-slow-sand-filter-experiment/", "published_at": "2013-09-16T22:29:54+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca236dc7f2", "title": "Biological water filtration with sand (why does it work?)", "url": "https://www.enlight-inc.com/blog/biological-water-filtration-with-sand-why-does-it-work/", "published_at": "2013-08-06T17:14:11+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca238bfae7", "title": "Slow sand filter operation during dry spells", "url": "https://www.enlight-inc.com/blog/slow-sand-filter-operation-during-dry-spells/", "published_at": "2013-07-25T14:09:13+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca248549ae", "title": "Clarification on rain water harvesting laws:", "url": "https://www.enlight-inc.com/blog/clarification-on-rain-water-harvesting-laws/", "published_at": "2013-07-15T17:14:18+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca249560b3", "title": "Does Moss “eat away at your roof”? (Update)", "url": "https://www.enlight-inc.com/blog/does-moss-eat-away-at-your-roof-update/", "published_at": "2013-06-25T15:14:42+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca24d4948d", "title": "It is Not illegal to catch rainwater in “most states”", "url": "https://www.enlight-inc.com/blog/it-is-not-illegal-to-catch-rainwater-in-most-states/", "published_at": "2013-06-24T16:09:25+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca25869dee", "title": "Rain water harvesting regulations state by state: updates", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-regulations-state-by-state-updates/", "published_at": "2013-06-21T17:06:54+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca25d6363e", "title": "Slow sand water filter failure: update on filter 5", "url": "https://www.enlight-inc.com/blog/slow-sand-water-filter-failure-update-on-filter-5/", "published_at": "2013-06-18T16:42:06+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca26c5c316", "title": "Rain water harvesting and filtering", "url": "https://www.enlight-inc.com/blog/rain-water-harvesting-and-filtering/", "published_at": "2013-06-13T15:50:33+00:00" }, { "id": "01a0c55e-2825-7002-8d53-2eca2796e2e6", "title": "Rainwater harvesting regulation", "url": "https://www.enlight-inc.com/blog/rainwater-harvesting-regulations/", "published_at": "2013-06-12T16:01:29+00:00" } ] posts Claim your blog
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enlight-inc.com

2026

Slow Sand Filter Update June 26 2026original ↗
27 Jun 2026
slow sand filter update Feb 24 2026original ↗
24 Feb 2026

2025

July 1 2025 slow sand filter updateoriginal ↗
1 Jul 2025
Update May 16, 2025original ↗
16 May 2025
Current status of filters for April 2025original ↗
28 Apr 2025

2024

Rainfall Totals for Washington state in Snohomish countyoriginal ↗
29 Jun 2024
Update June 23 2024original ↗
23 Jun 2024
Update January 6, 2024original ↗
7 Jan 2024

2023

Update June 22, 2023original ↗
22 Jun 2023
Update January 3, 2023original ↗
4 Jan 2023

2022

December 18, 2022 Updateoriginal ↗
19 Dec 2022
November 2022 Updateoriginal ↗
10 Nov 2022
Slow Sand Filter Updateoriginal ↗
18 Jun 2022
The newest fish pond water is still clean after over a year with 3 fish in the pond.original ↗
31 May 2022
Biological slow sand water filters remove over 99 percent of nanoplasticsoriginal ↗
31 May 2022
Update April 4, 2022original ↗
4 Apr 2022
Update; January 17, 2022original ↗
17 Jan 2022

2021

Update December 31, 2021original ↗
31 Dec 2021
November Updateoriginal ↗
4 Nov 2021
Update October 2021original ↗
22 Oct 2021
Flow Tests on Slow Sand Filters 1,2,3,4 and 5 from our website slowsandfilter.orgoriginal ↗
22 Aug 2021
Update, July 15, 2021original ↗
15 Jul 2021
Blog update June 18, 2021original ↗
18 Jun 2021
May 2021 updateoriginal ↗
22 May 2021

2020

2020 slow sand filter updateoriginal ↗
16 Dec 2020
Slow sand filter update August 8, 2020original ↗
8 Aug 2020
Update for May 2020original ↗
31 May 2020

2019

Update for 2019original ↗
26 Aug 2019
Slow sand filter updateoriginal ↗
15 Jun 2019
Slow sand filter videooriginal ↗
15 Apr 2019
Slow sand filter update March 14, 2019original ↗
15 Mar 2019
Slow sand filter updateoriginal ↗
25 Jan 2019

2018

website workoriginal ↗
2 Nov 2018
slow sand filter updateoriginal ↗
22 Mar 2018
Raw Water: A new health trend?original ↗
4 Jan 2018

2017

Slow sand filter updateoriginal ↗
6 Nov 2017
Slow sand filter updateoriginal ↗
16 Apr 2017
Slow sand water filters in freezing weatheroriginal ↗
13 Feb 2017
Rain water harvesting regulationoriginal ↗
10 Feb 2017
Slow sand filter updateoriginal ↗
27 Jan 2017

2016

How long will a slow sand filter last ?original ↗
7 Aug 2016
Rain water harvesting in Washington DCoriginal ↗
15 Jun 2016
Colorado legalizes rain water harvestingoriginal ↗
25 May 2016
Water molecules have now been shown to have a fourth “state of matter”original ↗
27 Apr 2016
An update on rain water harvesting in Coloradooriginal ↗
3 Apr 2016

2015

Urban runoff kills salmonoriginal ↗
10 Oct 2015
Regarding water, do trees make a difference?original ↗
7 Oct 2015
Think about wateroriginal ↗
5 Oct 2015
Cryptosporidium in swimming poolsoriginal ↗
30 Jun 2015
Drought conditions declared in Washington stateoriginal ↗
15 May 2015
A five gallon slow sand water filteroriginal ↗
16 Apr 2015
De-chlorinate water with vitamin Coriginal ↗
25 Mar 2015
The Seattle area may face water supply issuesoriginal ↗
10 Feb 2015
Five gallon slow sand filter updateoriginal ↗
9 Feb 2015
Slow sand water filter sand sourceoriginal ↗
9 Feb 2015
Rain water harvesting updateoriginal ↗
9 Feb 2015
Earth (config_earth.txt)original ↗
24 Jan 2015

2014

A biological pond filteroriginal ↗
24 Dec 2014
Rain water harvestingoriginal ↗
20 Dec 2014
Slow sand filters frozen in November 2014original ↗
21 Nov 2014
Emergency water supplyoriginal ↗
9 Oct 2014
Slow sand filtration informationoriginal ↗
3 Oct 2014
slow sand filter field testsoriginal ↗
2 Oct 2014
Five gallon slow sand filteroriginal ↗
29 Sept 2014
Rain water harvesting and slow sand filter updateoriginal ↗
21 Sept 2014
How safe is your water?original ↗
25 Aug 2014
Microcystin removal by slow sand water filtrationoriginal ↗
5 Aug 2014
What if the public water system becomes unusable?original ↗
5 Aug 2014
DIY 5 gallon slow sand filter updateoriginal ↗
20 Jun 2014
Will a DIY slow sand filter produce potable water?original ↗
20 May 2014
Five gallon DIY slow sand filter updateoriginal ↗
2 May 2014
Can I save money on my water bill by using a rain barrel?original ↗
28 Apr 2014
Designing a DIY slow sand filter: what to consideroriginal ↗
18 Apr 2014
A counter top slow sand water filteroriginal ↗
17 Apr 2014
DIY 5 gallon slow sand filter updateoriginal ↗
11 Apr 2014
DIY 5 gallon slow sand filter (experiment) updateoriginal ↗
13 Mar 2014
Backwashing a slow sand filteroriginal ↗
9 Mar 2014
DIY 5 gallon Slow sand filter update for February 2014original ↗
7 Feb 2014
Drought in the U.S. : what you can dooriginal ↗
7 Feb 2014
Rain water harvesting regulations in Ohiooriginal ↗
1 Feb 2014
Harvest rainwater help alleviate the effects of Droughtoriginal ↗
31 Jan 2014
DIY 5 gallon slow sand filter updateoriginal ↗
5 Jan 2014

2013

slow sand filters in freezing temperaturesoriginal ↗
7 Dec 2013
Rain water harvesting is not illegal (lets keep it that way)original ↗
3 Dec 2013
Sustainable water filtrationoriginal ↗
22 Nov 2013
DIY 5 gallon slow sand filter updateoriginal ↗
13 Nov 2013
Water filter test summaryoriginal ↗
19 Oct 2013
Uniformity coefficient of sandoriginal ↗
18 Oct 2013
Slow sand water filter operation and water clarityoriginal ↗
3 Oct 2013
Roofing material and rain water harvestingoriginal ↗
1 Oct 2013
DIY 5 gallon slow sand filter (experiment)original ↗
16 Sept 2013
Biological water filtration with sand (why does it work?)original ↗
6 Aug 2013
Slow sand filter operation during dry spellsoriginal ↗
25 Jul 2013
Clarification on rain water harvesting laws:original ↗
15 Jul 2013
Does Moss “eat away at your roof”? (Update)original ↗
25 Jun 2013
It is Not illegal to catch rainwater in “most states”original ↗
24 Jun 2013
Rain water harvesting regulations state by state: updatesoriginal ↗
21 Jun 2013
Slow sand water filter failure: update on filter 5original ↗
18 Jun 2013
Rain water harvesting and filteringoriginal ↗
13 Jun 2013
Rainwater harvesting regulationoriginal ↗
12 Jun 2013
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