Financier logo: Interreg Baltic Sea Region

Protecting Baltic Sea from untreated wastewater spillages during flood events in urban areas

Interreg Baltic Sea Region NOAH

Better urban planning, better control of the urban drainage system, shared knowledge in the Baltic Sea region.

Map of NOAH partner countries.

Project Partners

Associated Organisations

Current news & events

Project outputs

Media releases

PL: Kierunek WodKan periodical 1/2020, 27 February 2020:
NOAH na pomoc morzu

EE: Äripäev (Business) newspaper, 5 March 2020:
Õppimine kiirelt arenevas ehitusvaldkonnas pakub põnevaid väljakutseid

EE: Inseneeria (Engineering) magazine, 28 May 2020:
Mida teha, kui tänavad muutuvad mägijõgedeks? Probleemile otsib lahendust NOAH
(available for subscribers)

FI: Ympäristö ja Terveys (Environment and Health) magazine 4/2020, 28 May 2020:
Tulvanhallintayhteistyöllä uusia keinoja Itämeren saastekuorman vähentämiseksi
(Article not available online)

ENG: Journal of Water Supply: Research and Technology, Vol. 69, Issue 3, May 2020:
Kändler, N.; Annus, I.; Vassiljev, A.; Puust, R. Real time controlled sustainable urban drainage systems in dense urban areas.

PL: Water Notebook magazine, Polish Waterworks Chamber of Commerce (IGWP), July 2020:
Projekt NOAH

PL / ENG: Video by Slupsk Water Supply depicting the effects of climate change and giving an insight into the aims and actions of NOAH, 07/2019:

SE: Helahälsingland, 10 May 2019:
Projekt för att stoppa översvämningar flyter på – viktigt besök från Tallinn: “En jättegivande dag”
(available for subscribers)

FI: Ympäristö ja Terveys (Environment and Health) magazine 3/2019, April 2019:
Tulvahallintayhteistyöllä vähennetään Itämeren saastekuormaa
(article not available online)

ENG: Press release, 18 February 2019:
Flood control in Baltic Sea cities provides tools for cleaner Baltic Sea

NOAH on social media


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2 weeks ago


The municipality of Söderhamn, the Swedish partner of NOAH, has released a new video on stormwater management as part of the HeaWater project. The video gives a good insight into the stormwater-related work and improvements done in the municipality's EU projects, including NOAH! 👍🏼 #bsrnoah #stormwatermanagement #interregbalticsearegion #CBresults ... See MoreSee Less

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3 weeks ago


Kickoff meeting with contractor AS Nordpont who will start installing smart weirwall system in NOAH pilot site in Rakvere. Estonia. #bsrnoah #interregbalticsearegion #stormwater ... See MoreSee Less

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3 weeks ago


Interested in reading about the project activites in Polish? The Polish partners of NOAH wrote an article for the Economic Chamber Polish Waterworks', Izba Gospodarcza Wodociągi Polskie's (IGWP) monthly magazine about the project progress in their region. The article is now available on the project website, as well:
#bsrnoah #interregbalticsearegion #FloodProtection #igwp #poland #balticsea
... See MoreSee Less

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1 month ago


Exciting news! BSR NOAH is attending the Interreg Baltic Sea Region photo competition for projects. The photo "Man in a manhole" is chosen to describe our project in one picture. Check the original competition post by IBSR - and give your like/love/wow to the best photos! 😊👍🏼 #bsrnoah #interregbsr #photocompetitionNOAH: Your project in one picture / ©Margareta Örn-Liljedahl / submitted by Hanna Rissanen

"Man in a manhole" - Tony Persson from the Swedish Ljusnan-Voxnan water association installing a stormwater sampler in Söderhamn, Sweden. The NOAH project aims to protect the Baltic Sea from untreated wastewater spillages during flood events in urban areas.

More about the NOAH project:
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Looking back at the NOAH progress meeting in Pori, Finland. Joyful partners and excellent cooperation for the good of our Baltic Sea! #bsrnoah #interregbsr #EUinmyregion #balticsea #partnership

#WorldWaterCongress next year will have a session on #BalticSea. @BsrNoah team is one of the co-organizors of the session. @SatakunnanAMK #mysamk #savethesea #floodcontrol

NOAH #partners were not able to meet in Gdańsk this month as planned, but the work sure continues as planned. Happy faces after a successful NOAH progress meeting #online!
#bsrnoah #interregbsr #floodprotection #partnership #progressmeeting #onlinemeeting

We're always into cooperating with projects and sharing outreach methods! Reaching outside the partnership - @BsrNoah example with Stakeholder Representative Panel and regional workshops to approach target groups.

NOAH aims to reduce wastewater spillages during floods

NOAH at the @BSRWater Platform meeting. Looking forward to having an overview on good practices and solutions within #stormwater management. #bsrnoah #bsrwater #balticsea #interregbalticsearegion

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More about NOAH

Floods causing inflows of pollutants into the Baltic Sea

Effective control of the stormwaters in urban areas is one of the biggest environmental challenges in the Baltic Sea region as climate change brings along intense rainfalls and storms. Urban drainage systems are not capable to handle the floods, which rises the risk of flushing untreated wastewater from urban drainage systems into the nature. This is harmful to people and environment due to the excessive amount of nutrients, hazardous substances and pathogenic microbes in wastewater.

Holistic planning and smart drainage systems

Urban areas can be prepared for floods by improved planning and self-adaptive drainage operations. NOAH project brings together nine towns and water utilities, seven academic and research institutions and two umbrella organisations from six countries around the Baltic Sea to join their forces.

NOAH’s approach is to create a concept for holistic planning and implement smart drainage systems in real urban environments. Holistic solutions combine stormwater management with spatial planning. This is followed by development of smart drainage systems to make the existing facilities resilient to the impacts of climate change.

Healthier and cleaner Baltic Sea

The NOAH concept will be easily scalable to any urban area around the Baltic Sea. Implementation of the concept could cut up to half of the inflow of pollutants into the Baltic Sea. The activities will be anchored into daily practices of towns and water utilities, leading to healthier and cleaner Baltic Sea!


Ivar Annus
+372 620 2557  

Minna Keinänen-Toivola
+358 44 710 3063